Matt Nordhoff mnordhoff
mnordhoff
/ gist:8e0e3473e5cfc3c037f9530a75b7abeb
Created
March 18, 2024 07:32
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| $ dig +nssearch int | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030132 3600 1800 604800 3600 from server 137.39.1.3 in 0 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.133.53 in 12 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.135.53 in 12 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8d::53 in 12 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8f::53 in 12 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 199.43.134.53 in 16 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:500:8e::53 in 48 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 2001:67c:e0::4 in 84 ms. | |
| SOA sns.dns.icann.org. noc.dns.icann.org. 2024030137 3600 1800 604800 3600 from server 193.0.9.4 in 88 ms. |
mnordhoff
/ gist:9286a264633fc12a262213a8d389f517
Last active
February 14, 2024 23:51
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| $ dpkg -l bind9 | |
| Desired=Unknown/Install/Remove/Purge/Hold | |
| | Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend | |
| |/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad) | |
| ||/ Name Version Architecture Description | |
| +++-==============-==================-============-================================= | |
| ii bind9 1:9.18.18-0ubuntu2 amd64 Internet Domain Name Server | |
| $ named -V | |
| BIND 9.18.18-0ubuntu2-Ubuntu (Extended Support Version) <id:> |
mnordhoff
/ gist:6ba6fde09244ff26d39f1220f7046eef
Created
February 12, 2024 11:47
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| 🔒 ai. 3232 MX 10 mail.offshore.ai. | |
| 🔓 gt. 14400 MX 10 aspmx.l.google.com. | |
| 🔓 gt. 14400 MX 20 alt1.aspmx.l.google.com. | |
| 🔓 gt. 14400 MX 20 alt2.aspmx.l.google.com. | |
| 🔓 gt. 14400 MX 30 aspmx2.googlemail.com. | |
| 🔓 gt. 14400 MX 30 aspmx4.googlemail.com. | |
| 🔓 gt. 14400 MX 30 aspmx5.googlemail.com. | |
| 🔒 ws. 21600 MX 10 mail.worldsite.ws. | |
| 🔒 ua. 18081 MX 10 mr.kolo.net. | |
| 🔒 hr. 7200 MX 5 alpha.carnet.hr. |
mnordhoff
/ gist:c232138f31696d7d3b14c3be571d5bac
Created
June 26, 2023 18:55
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| _checkSudo() { | |
| if [ -z "__INTERACTIVE" ]; then | |
| #don't check if it's not in an interactive shell | |
| return 0 | |
| fi | |
| if [ "$SUDO_GID" ] && [ "$SUDO_COMMAND" ] && [ "$SUDO_USER" ] && [ "$SUDO_UID" ]; then | |
| if [ "$SUDO_USER" = "root" ] && [ "$SUDO_UID" = "0" ]; then | |
| #it's root using sudo, no matter it's using sudo or not, just fine | |
| return 0 | |
| fi |
mnordhoff
/ gist:9d793d53e89b9f9abb4048e0436a0f71
Created
June 13, 2023 00:52
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| $ dig +dnssec +norecurse @av2.nstld.com blog.verisign.com | |
| ; <<>> DiG 9.19.13-1+ubuntu20.04.1+isc+1-Ubuntu <<>> +dnssec +norecurse @av2.nstld.com blog.verisign.com | |
| ; (2 servers found) | |
| ;; global options: +cmd | |
| ;; Got answer: | |
| ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27084 | |
| ;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 7 | |
| ;; OPT PSEUDOSECTION: |
mnordhoff
/ gist:a81173733bab1891ac127cb0c6455772
Last active
March 6, 2023 07:09
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| $ dig +dnssec +norecurse +nsid @c.in-addr-servers.arpa 74.in-addr.arpa | |
| ; <<>> DiG 9.19.10-1+ubuntu20.04.1+isc+2-Ubuntu <<>> +dnssec +norecurse +nsid @c.in-addr-servers.arpa 74.in-addr.arpa | |
| ; (2 servers found) | |
| ;; global options: +cmd | |
| ;; Got answer: | |
| ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56431 | |
| ;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 8, ADDITIONAL: 1 | |
| ;; OPT PSEUDOSECTION: |
mnordhoff
/ gist:8ca4d7f7b8906862c2b116d899d59f22
Created
September 7, 2022 02:57
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| $ mtr -brwz d0.org.afilias-nst.org | |
| Start: 2022-09-07T01:55:07+0000 | |
| HOST: ultimate Loss% Snt Last Avg Best Wrst StDev | |
| 1. AS63949 2600:3c02::1 0.0% 10 0.6 0.8 0.5 2.1 0.5 | |
| 2. AS63949 2600:3c0f:4:35::3 0.0% 10 0.4 0.6 0.4 1.7 0.4 | |
| 3. AS??? fd04:1:1eaf:3:1::1 0.0% 10 3.4 2.6 0.6 9.7 2.9 | |
| 4. AS??? fd04:1:b:2:1::2 0.0% 10 0.5 1.6 0.4 10.3 3.1 | |
| 5. AS20940 ae45.r12.atl01.ien.netarch.akamai.com (2600:1488:a1c0::18) 0.0% 10 0.5 1.1 0.5 3.6 1.1 | |
| 6. AS20940 ae8.r02.atl01.icn.netarch.akamai.com (2600:1488:a1c0:405::a) 0.0% 10 0.6 0.8 0.6 1.6 0.3 | |
| 7. AS20940 ae10.r01.dfw01.icn.netarch.akamai.com (2600:1488:5fc3:52::a) 0.0% 10 65.7 46.4 19.0 137.2 36.7 |
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| $ dig @e.fi -4 +dnssec +norecurse +nsid fi soa | |
| ; <<>> DiG 9.19.4-1+ubuntu20.04.1+isc+1-Ubuntu <<>> @e.fi -4 +dnssec +norecurse +nsid fi soa | |
| ; (1 server found) | |
| ;; global options: +cmd | |
| ;; Got answer: | |
| ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20518 | |
| ;; flags: qr aa; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1 | |
| ;; OPT PSEUDOSECTION: |
mnordhoff
/ gist:99ff5c9c9fbff7b5d11e3ed18747d588
Created
July 18, 2022 23:02
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| mnordhoff@ultimate:~$ for i in 139.162.130.5 139.162.131.5 139.162.132.5 139.162.133.5 139.162.134.5 139.162.135.5 139.162.136.5 139.162.137.5 139.162.138.5 139.162.139.5 2a01:7e01::5 2a01:7e01::9 2a01:7e01::7 2a01:7e01::c 2a01:7e01::2 2a01:7e01::4 2a01:7e01::3 2a01:7e01::6 2a01:7e01::b 2a01:7e01::8; do echo $i; dig +vc +timeout=2 +tries=2 example.com @$i; done | |
| 139.162.130.5 | |
| ;; Connection to 139.162.130.5#53(139.162.130.5) for example.com failed: timed out. | |
| ;; Connection to 139.162.130.5#53(139.162.130.5) for example.com failed: timed out. | |
| 139.162.131.5 | |
| ;; Connection to 139.162.131.5#53(139.162.131.5) for example.com failed: timed out. | |
| ;; Connection to 139.162.131.5#53(139.162.131.5) for example.com failed: timed out. | |
| 139.162.132.5 | |
| ; <<>> DiG 9.19.2-1+ubuntu20.04.1+isc+1-Ubuntu <<>> +vc +timeout +tries example.com @139.162.132.5 |
mnordhoff
/ gist:a218e0dc78bdbc3590c32a634b674dab
Last active
April 7, 2022 18:42
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| Thu 07 Apr 2022 06:32:36 PM UTC | |
| dig +dnssec response sizes for every TLD. PowerDNS Recursor. | |
| Some are NODATA. One (xn--mgbai9azgqp6j) was probably SERVFAIL. | |
| 1 46 | |
| 2 75 | |
| 2 76 | |
| 2 78 |
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