`officeunderground.com`

DNSSEC	⚠️ Not signed
A	185.158.133.1^{🇩🇪 Cloudflare185.158.133.0/24}
NS	`ns39.domaincontrol.com` ⭐
		A	2603:5:21d1::14^{🇺🇸 GODADDY-DNS2603:5:21d0::/44}
			PTR	`ns39.domaincontrol.com`
		A	97.74.109.20^{🇺🇸 GODADDY-DNS97.74.108.0/23}
			PTR	`ns39.domaincontrol.com`
NS	`ns40.domaincontrol.com`
		A	2603:5:22d1::14^{🇺🇸 GODADDY-DNS2603:5:22d0::/44}
			PTR	`ns40.domaincontrol.com`
		A	173.201.77.20^{🇺🇸 GODADDY-DNS173.201.76.0/23}
			PTR	`ns40.domaincontrol.com`
SOA	`ns39.domaincontrol.com`dns@jomax.net 2026-02-18 #6

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	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.net`nstld@verisign-grs.com serial=1778535336

Same first word

officeunderground.com

DNS History

11 records (3 active, 8 former)

○NSns05.domaincontrol.com2017-03-24 → 2017-03-24 · 4 obs

○ 2016-03-20 18:05:00
● 2017-03-24 01:34:52
○ 2026-03-27 07:12:20
○ 2026-05-11 21:59:24

○NSns06.domaincontrol.com2017-03-24 → 2017-03-24 · 4 obs

○ 2016-03-20 18:05:00
● 2017-03-24 01:34:52
○ 2026-03-27 07:12:20
○ 2026-05-11 21:59:24

●NSns39.domaincontrol.com2026-03-27 → 2026-05-11 · 3 obs

○ 2017-03-24 01:34:52
● 2026-03-27 07:12:20
● 2026-05-11 21:59:24

●NSns40.domaincontrol.com2026-03-27 → 2026-05-11 · 3 obs

○ 2017-03-24 01:34:52
● 2026-03-27 07:12:20
● 2026-05-11 21:59:24

○NSns55.domaincontrol.com2015-07-20 → 2015-12-09 · 4 obs

● 2015-07-20 11:58:32
● 2015-12-09 11:24:42
○ 2016-03-20 18:05:00
○ 2026-05-11 21:59:24

○NSns56.domaincontrol.com2015-07-20 → 2015-12-09 · 4 obs

● 2015-07-20 11:58:32
● 2015-12-09 11:24:42
○ 2016-03-20 18:05:00
○ 2026-05-11 21:59:24

○MXmailstore1.secureserver.net2015-07-20 → 2017-03-24 · 7 obs

● 2015-07-20 11:58:32
● 2015-12-09 11:24:42
○ 2016-03-20 18:05:00
○ 2016-07-15 15:05:42
● 2017-03-24 01:34:52
○ 2026-03-27 07:12:20
○ 2026-05-11 21:59:24

○MXsmtp.secureserver.net2015-07-20 → 2017-03-24 · 7 obs

● 2015-07-20 11:58:32
● 2015-12-09 11:24:42
○ 2016-03-20 18:05:00
○ 2016-07-15 15:05:42
● 2017-03-24 01:34:52
○ 2026-03-27 07:12:20
○ 2026-05-11 21:59:24

○A184.168.221.322017-03-24 → 2017-03-24 · 4 obs

○ 2016-03-20 18:05:00
● 2017-03-24 01:34:52
○ 2026-03-27 07:12:20
○ 2026-05-11 21:59:24

○A184.168.221.622015-07-20 → 2015-12-09 · 4 obs

● 2015-07-20 11:58:32
● 2015-12-09 11:24:42
○ 2016-03-20 18:05:00
○ 2026-05-11 21:59:24

●A185.158.133.12026-03-27 → 2026-05-11 · 3 obs

○ 2017-03-24 01:34:52
● 2026-03-27 07:12:20
● 2026-05-11 21:59:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
officeunderground.com	ns39.domaincontrol.com, ns40.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.77.20

NS records: ns39.domaincontrol.com, ns40.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for officeunderground.com (unsigned zone)

⏱️ Timing

Total: 166ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.158.133.1`
NS	2	`ns39.domaincontrol.com, ns40.domaincontrol.com`
SOA	1	`ns39.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns39.domaincontrol.com, ns39.domaincontrol.com, ns40.domaincontrol.com...)

Analysis

IP Addresses

officeunderground.com points to a single IP: 185.158.133.1.

Other host names, for instance sifox.ru, als.it, dailyemailupdate.com, felixin.io and pay2u.consultant.com share IP numbers with officeunderground.com.

Name Servers

officeunderground.com's delegation is to two name servers ns39.domaincontrol.com and ns40.domaincontrol.com.

officeunderground.com shares the same name server configuration as other domains, such as samimalia.com, thestraydesigns.com, grand-arte.com, eurostammholz.com and discgenics.com.

officeunderground.com shares name servers with other domains at least partially, for example locksmith-keys.com.

Host names with two IP numbers: ns39.domaincontrol.com points to 2603:5:21d1::14 and 97.74.109.20; ns40.domaincontrol.com points to 2603:5:22d1::14 and 173.201.77.20

officeunderground.com - robtex.com