bluecolumn.us - robtex.com

bluecolumn.us

DNSSEC⚠️ Not signed

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1777702156

Same first word

bluecolumn.com
bluecolumn.org

Similar names

columnblue.com

DNS History

19 records (0 active, 19 former)

20162017201820192020202120222023202420252026NSns1.csof.netns1.markmonitor.comns2.csof.netns2.markmonitor.comns3.csof.netns3.markmonitor.comns4.csof.netns4.markmonitor.comns5.csof.netns5.markmonitor.comns6.csof.netns6.markmonitor.comns7.csof.netns7.markmonitor.comns8.csof.netMXmx1.usmx2.usA195.22.26.24872.52.10.14
○NSns1.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns1.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns2.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns2.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns3.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns3.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns4.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns4.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns5.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns5.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns6.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns6.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns7.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○NSns7.markmonitor.com2015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16
○NSns8.csof.net2020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○MXmx1.us2020-01-17 → 2020-01-17 · 3 obs
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○MXmx2.us2020-01-17 → 2020-01-17 · 3 obs
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○A195.22.26.2482020-01-17 → 2020-01-17 · 4 obs
○ 2017-02-14 01:44:42
● 2020-01-17 04:20:28
○ 2026-03-27 03:20:44
○ 2026-05-02 06:38:16
○A72.52.10.142015-06-02 → 2017-02-14 · 4 obs
● 2015-06-02 12:29:38
● 2017-02-14 01:44:42
○ 2020-01-17 04:20:28
○ 2026-05-02 06:38:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usy.cctld.us, w.cctld.us, b.cctld.us, n.cctld.us...-

✅ Authoritative Response

Server:156.154.128.70

NS records: y.cctld.us, w.cctld.us, b.cctld.us, n.cctld.us, k.cctld.us, m.cctld.us, f.cctld.us, x.cctld.us

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 256ms | Queries: -

📄 Records

TypeCountSample Data