`ddbchicago.net`

DNSSEC	⚠️ Not signed
NS	`pdns82.ultradns.com` ⭐
		A	2001:502:f3ff::76^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns82.ultradns.com`
		A	156.154.64.82^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns82.ultradns.com`
NS	`pdns82.ultradns.biz`
		A	2610:a1:1015::76^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns82.ultradns.biz`
		A	156.154.66.82^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns82.ultradns.biz`
NS	`pdns82.ultradns.net`
		A	2610:a1:1014::76^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns82.ultradns.net`
		A	156.154.65.82^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns82.ultradns.net`
NS	`pdns82.ultradns.org`
		A	2001:502:4612::76^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns82.ultradns.org`
		A	156.154.67.82^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns82.ultradns.org`
TXT	`v=spf1 -all`
TXT	`DDB Chicago, Scott McCulley`
SOA	`pdns82.ultradns.com`hostmaster@omnicomgroup.com 2019-12-12 #38

`net`

	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=1774471327

Same first word

ddbchicago.net

DNS History

14 records (4 active, 10 former)

○NSns-1407.awsdns-47.org2019-04-11 → 2019-04-11 · 4 obs

○ 2016-04-17 05:13:32
● 2019-04-11 13:36:40
○ 2026-03-25 21:04:10
○ 2026-03-25 21:04:12

○NSns-1938.awsdns-50.co.uk2019-04-11 → 2019-04-11 · 4 obs

○ 2016-04-17 05:13:32
● 2019-04-11 13:36:40
○ 2026-03-25 21:04:10
○ 2026-03-25 21:04:12

○NSns-403.awsdns-50.com2019-04-11 → 2019-04-11 · 4 obs

○ 2016-04-17 05:13:32
● 2019-04-11 13:36:40
○ 2026-03-25 21:04:10
○ 2026-03-25 21:04:12

○NSns-713.awsdns-25.net2019-04-11 → 2019-04-11 · 4 obs

○ 2016-04-17 05:13:32
● 2019-04-11 13:36:40
○ 2026-03-25 21:04:10
○ 2026-03-25 21:04:12

○NSns1.ddbchicago.net2007-09-25 → 2007-09-25 · 3 obs

● 2007-09-25 10:57:20
○ 2015-05-20 13:26:42
○ 2026-03-25 21:04:12

○NSns2.ddbchicago.net2007-09-25 → 2007-09-25 · 3 obs

● 2007-09-25 10:57:20
○ 2015-05-20 13:26:42
○ 2026-03-25 21:04:12

●NSpdns82.ultradns.biz2026-03-25 → 2026-03-25 · 3 obs

○ 2019-04-11 13:36:40
● 2026-03-25 21:04:10
● 2026-03-25 21:04:12

●NSpdns82.ultradns.com2026-03-25 → 2026-03-25 · 3 obs

○ 2019-04-11 13:36:40
● 2026-03-25 21:04:10
● 2026-03-25 21:04:12

●NSpdns82.ultradns.net2026-03-25 → 2026-03-25 · 3 obs

○ 2019-04-11 13:36:40
● 2026-03-25 21:04:10
● 2026-03-25 21:04:12

●NSpdns82.ultradns.org2026-03-25 → 2026-03-25 · 3 obs

○ 2019-04-11 13:36:40
● 2026-03-25 21:04:10
● 2026-03-25 21:04:12

○NSxdns0.usomni.com2015-05-20 → 2016-04-17 · 5 obs

○ 2007-09-25 10:57:20
● 2015-05-20 13:26:42
● 2016-04-17 05:13:32
○ 2019-04-11 13:36:40
○ 2026-03-25 21:04:12

○NSxdns1.usomni.com2015-05-20 → 2016-04-17 · 5 obs

○ 2007-09-25 10:57:20
● 2015-05-20 13:26:42
● 2016-04-17 05:13:32
○ 2019-04-11 13:36:40
○ 2026-03-25 21:04:12

○NSxdns2.usomni.com2015-05-20 → 2016-04-17 · 5 obs

○ 2007-09-25 10:57:20
● 2015-05-20 13:26:42
● 2016-04-17 05:13:32
○ 2019-04-11 13:36:40
○ 2026-03-25 21:04:12

○NSxdns3.usomni.com2015-05-20 → 2016-04-17 · 5 obs

○ 2007-09-25 10:57:20
● 2015-05-20 13:26:42
● 2016-04-17 05:13:32
○ 2019-04-11 13:36:40
○ 2026-03-25 21:04:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	m.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net...	-
ddbchicago.net	pdns82.ultradns.net, pdns82.ultradns.com, pdns82.ultradns.biz, pdns82.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.67.82

NS records: pdns82.ultradns.net, pdns82.ultradns.com, pdns82.ultradns.biz, pdns82.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ddbchicago.net (unsigned zone)

⏱️ Timing

Total: 1516ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`pdns82.ultradns.biz, pdns82.ultradns.com...`
TXT	2	`v=spf1 -all, DDB Chicago, Scott McCulley`
SOA	1	`pdns82.ultradns.com hostmaster.omnicomgr`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns82.ultradns.net, pdns82.ultradns.net)

Analysis

Name Servers

ddbchicago.net is delegated to four name servers: pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org.

ddbchicago.net shares some name servers with other domains, for example omgportugal.com, fertpac.net, ddb.com.au, emailsystem.info and clinedavismann.com.

Host names with two IP numbers

Two IPs per host:

pdns82.ultradns.biz points to 2610:a1:1015::76 and 156.154.66.82

pdns82.ultradns.com points to 2001:502:f3ff::76 and 156.154.64.82

pdns82.ultradns.net points to 2610:a1:1014::76 and 156.154.65.82

pdns82.ultradns.org points to 2001:502:4612::76 and 156.154.67.82

ddbchicago.net - robtex.com

ddbchicago.net

net

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`ddbchicago.net`

`net`