columnsofknowledge.com - dns.ninja
columnsofknowledge.com
com
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | a.gtld-servers.net โญ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1783639342 | ||||||
Previously MX for
columnsofknowledge.com |
Same first word
columnsofknowledge.com |
DNS History
22 records (14 active, 8 former)
โNSdns1.vistapages.com2009-01-27 โ 2009-01-27 ยท 3 obs
โ 2015-06-05 17:50:40
โ 2026-07-09 23:24:56
โNSdns2.vistapages.com2009-01-27 โ 2009-01-27 ยท 3 obs
โ 2015-06-05 17:50:40
โ 2026-07-09 23:24:56
โNSns0.directnic.com2016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โNSns1-s3k9.welcomesearchers.com2015-06-05 โ 2016-04-19 ยท 5 obs
โ 2015-06-05 17:50:40
โ 2016-04-19 02:37:14
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โNSns1.directnic.com2016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โNSns2-s3k9.welcomesearchers.com2015-06-05 โ 2016-04-19 ยท 5 obs
โ 2015-06-05 17:50:40
โ 2016-04-19 02:37:14
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โNSns2.directnic.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โNSns3.directnic.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMX3cp7usxlmjjs7h7hg3bgdgvk2o2m7cmucijgju2vimtpovx2r7ca.mx-verification.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXalt1.aspmx.l.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXalt2.aspmx.l.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXalt3.aspmx.l.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXalt4.aspmx.l.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXaspmx.l.google.com2026-02-27 โ 2026-07-09 ยท 3 obs
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โMXcolumnsofknowledge.com2009-01-27 โ 2016-04-19 ยท 4 obs
โ 2016-04-19 02:37:14
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA104.236.48.2272017-08-27 โ 2017-08-27 ยท 4 obs
โ 2017-08-27 05:07:28
โ 2026-02-27 18:45:54
โ 2026-07-09 23:24:56
โA174.136.35.1002015-06-05 โ 2016-04-19 ยท 5 obs
โ 2015-06-05 17:50:40
โ 2016-04-19 02:37:14
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA198.185.159.1442016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA198.185.159.1452016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA198.49.23.1442016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA198.49.23.1452016-11-28 โ 2026-07-09 ยท 3 obs
โ 2016-11-28 09:31:08
โ 2026-07-09 23:24:56
โA208.83.210.92009-01-27 โ 2009-01-27 ยท 3 obs
โ 2015-06-05 17:50:40
โ 2026-07-09 23:24:56
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| columnsofknowledge.com | ns0.directnic.com, ns1.directnic.com, ns3.directnic.com, ns2.directnic.com | 8 records |
โ Authoritative Response
Server:23.239.4.33
NS records: ns0.directnic.com, ns1.directnic.com, ns3.directnic.com, ns2.directnic.com
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for columnsofknowledge.com (unsigned zone)
โฑ๏ธ Timing
Total: 376ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 4 | 198.185.159.145, 198.49.23.145... |
| NS | 4 | ns1.directnic.com, ns0.directnic.com... |
| MX | 6 | 3cp7usxlmjjs7h7hg3bgdgvk2o2m7cmucijgju2v, ALT1.ASPMX.L.google.com (pri: 5)... |
| SOA | 1 | ns0.directnic.com hostmaster.directnic.c |
๐ Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns0.directnic.com, ns0.directnic.com, ns1.directnic.com...)
Analysis
IP Addresses
columnsofknowledge.com has four IP addresses: 198.49.23.144, 198.49.23.145, 198.185.159.144 and 198.185.159.145.
rollinmail.com, whitesalmonvalleypool.org, grandchalet.gr plus two other host names have IP numbers in common with columnsofknowledge.com.
Name Servers
Four name servers handle the delegation for columnsofknowledge.com: ns0.directnic.com, ns1.directnic.com, ns2.directnic.com and ns3.directnic.com.
columnsofknowledge.com has at least partial name server overlap with other domains, such as smarterfilms.com, aquaee.com, mtpm.org and two others.
It is common to see these name servers used together with name servers ns1.dnchosting.com and ns2.dnchosting.com.
ns0.directnic.com, ns1.directnic.com, ns2.directnic.com and ns3.directnic.com all point to exactly two IP numbers each: ns0.directnic.com โ 104.143.9.41 and 2602:fc8e:0:688f:9::41; ns1.directnic.com โ 23.239.4.33 and 2600:3c01::f03c:94ff:fe81:e767; ns2.directnic.com โ 104.143.9.42 and 2602:fc8e:0:688f:9::42; ns3.directnic.com โ 45.33.11.85 and 2600:3c00::f03c:94ff:fe81:b947.
Mail Servers
Mail for columnsofknowledge.com is routed through 6 mail servers, including aspmx.l.google.com, 3cp7usxlmjjs7h7hg3bgdgvk2o2m7cmucijgju2vimtpovx2r7ca.mx-verification.google.com, alt1.aspmx.l.google.com and 3 other.
At least some of the mail servers used by columnsofknowledge.com are shared with other domains: welterentertainment.com, ns500731.ns500731.ns500742.ns500742.ns500688.ns500678.ns500671.ns500671.ns500671.ns500671.ns500649.lustychickser.com, ns500671.ns500731.ns500742.ns500754.ns500688.ns500705.ns500649.ns500649.ns500688.ns500671.ns500649.lustychickser.com and two others among them.
These mail servers are often deployed together with alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com and 4 other mail servers.
Host names pointing to two IP addresses:
aspmx.l.google.com has two IP addresses: 142.251.179.26 and 2607:f8b0:4004:c23::1b.
alt1.aspmx.l.google.com has two IP addresses: 108.177.123.26 and 2800:3f0:4003:c0f::1b.
alt2.aspmx.l.google.com has two IP addresses: 172.253.116.27 and 2a00:1450:400b:c02::1a.
alt3.aspmx.l.google.com has two IP addresses: 192.178.223.26 and 2a00:1450:4009:c0f::1a.
alt4.aspmx.l.google.com has two IP addresses: 172.253.157.26 and 2a00:1450:400c:c23::1a.