phdus.com - dns.ninja

`phdus.com`

DNSSEC	⚠️ Not signed
A	149.39.22.23^{🇺🇸 ENETWORKS128.0.0.0/2}
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`
MX	`phdus-com.mail.protection.outlook.com` ⭐
		A	52.101.9.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr02cu00400.inbound.protection.outlook.com`
		A	52.101.11.15^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sa9pr02cu00207.inbound.protection.outlook.com`
		A	52.101.41.6^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01406.inbound.protection.outlook.com`
		A	52.101.41.21^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00305.inbound.protection.outlook.com`
TXT	`v=spf1 include:_spf.oneomnicom.com -all`
TXT	`google-site-verification=YaSFmH-UVPf_mRcLGExS8WlEawYcipf46bXn7Yu6AdU`
TXT	`google-site-verification=ZGbzdjqGz2Bc6Q-PBb0fP5rkBlbNgtAvHWAH9KprzbA`
TXT	`box-domain-verification=9ee37f7ae37efe84cc4fe80cbb6d595cf05afdd79d4f096e05878...`
TXT	`jrFkS0VBjTeXR+q23h6Z7Z6s3V8QwohyzxuCflEUYqwF/1JP0/DVc+jGPkVlSUtpIBFKY1fUerhW2...`
TXT	`atlassian-domain-verification=jnECo5N3FFedMZvGze/NG2GaOw0UEzP3iXUmtmPDs29kJD2...`
SOA	`pdns82.ultradns.com`hostmaster@omnicomgroup.com 2020-01-19 #59

`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=1781377348

Same first word

phdus.org

phdus.com

phdus.net

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DNS History

14 records (6 active, 8 former)

○NSdns1.idp365.net2015-08-24 → 2016-10-31 · 4 obs

● 2015-08-24 22:07:46
● 2016-10-31 20:26:40
○ 2026-03-26 16:38:08
○ 2026-06-13 19:30:48

○NSdns2.idp365.net2015-08-24 → 2016-10-31 · 4 obs

● 2015-08-24 22:07:46
● 2016-10-31 20:26:40
○ 2026-03-26 16:38:08
○ 2026-06-13 19:30:48

○NSdns3.idp365.net2015-08-24 → 2016-10-31 · 4 obs

● 2015-08-24 22:07:46
● 2016-10-31 20:26:40
○ 2026-03-26 16:38:08
○ 2026-06-13 19:30:48

●NSpdns82.ultradns.biz2026-03-26 → 2026-06-13 · 3 obs

○ 2016-10-31 20:26:40
● 2026-03-26 16:38:08
● 2026-06-13 19:30:48

●NSpdns82.ultradns.com2026-03-26 → 2026-06-13 · 3 obs

○ 2016-10-31 20:26:40
● 2026-03-26 16:38:08
● 2026-06-13 19:30:48

●NSpdns82.ultradns.net2026-03-26 → 2026-06-13 · 3 obs

○ 2016-10-31 20:26:40
● 2026-03-26 16:38:08
● 2026-06-13 19:30:48

●NSpdns82.ultradns.org2026-03-26 → 2026-06-13 · 3 obs

○ 2016-10-31 20:26:40
● 2026-03-26 16:38:08
● 2026-06-13 19:30:48

○MXmxa-00162901.gslb.pphosted.com2016-08-09 → 2016-10-31 · 5 obs

○ 2015-08-24 22:07:46
● 2016-08-09 17:27:36
● 2016-10-31 20:26:40
○ 2026-03-26 16:38:08
○ 2026-06-13 19:30:48

○MXmxb-00162901.gslb.pphosted.com2016-08-09 → 2016-10-31 · 5 obs

○ 2015-08-24 22:07:46
● 2016-08-09 17:27:36
● 2016-10-31 20:26:40
○ 2026-03-26 16:38:08
○ 2026-06-13 19:30:48

●MXphdus-com.mail.protection.outlook.com2026-03-26 → 2026-06-13 · 3 obs

○ 2016-10-31 20:26:40
● 2026-03-26 16:38:08
● 2026-06-13 19:30:48

○MXus-smtp-inbound-1.mimecast.com2015-08-24 → 2016-08-18 · 4 obs

● 2015-08-24 22:07:46
● 2016-08-18 04:59:24
○ 2016-10-17 20:16:16
○ 2026-06-13 19:30:48

○MXus-smtp-inbound-2.mimecast.com2015-08-24 → 2016-08-18 · 4 obs

● 2015-08-24 22:07:46
● 2016-08-18 04:59:24
○ 2016-10-17 20:16:16
○ 2026-06-13 19:30:48

●A149.39.22.232016-06-12 → 2026-06-13 · 3 obs

○ 2016-06-03 07:51:50
● 2016-06-12 15:46:20
● 2026-06-13 19:30:48

○A63.240.52.2522015-08-24 → 2016-06-03 · 4 obs

● 2015-08-24 22:07:46
● 2016-06-03 07:51:50
○ 2016-06-12 15:46:20
○ 2026-06-13 19:30:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
phdus.com	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 phdus.com (unsigned zone)

⏱️ Timing

Total: 2088ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`149.39.22.23`
NS	4	`pdns82.ultradns.biz, pdns82.ultradns.com...`
MX	1	`phdus-com.mail.protection.outlook.com (p`
TXT	6	`v=spf1 include:_spf.oneomnicom.com -all, google-site-verification=YaSFmH-UVPf_mRc...`
SOA	1	`pdns82.ultradns.com hostmaster.omnicomgr`

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

phdus.com has exactly one IP address — 149.39.22.23.

Additional host names — including omd.hu and phdca.com — share IP numbers with phdus.com.

Name Servers

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

phdus.com has at least partial name server overlap with other domains, such as ascentialedge.com, ourchoiceonevoice.mobi, rails.rwy.bnsf.com and two others.

pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org all point to exactly two IP numbers each: pdns82.ultradns.biz → 156.154.66.82 and 2610:a1:1015::76; pdns82.ultradns.com → 156.154.64.82 and 2001:502:f3ff::76; pdns82.ultradns.net → 156.154.65.82 and 2610:a1:1014::76; pdns82.ultradns.org → 156.154.67.82 and 2001:502:4612::76.

Mail Servers

phdus.com uses one mail server — phdus-com.mail.protection.outlook.com.

The host name phdus-com.mail.protection.outlook.com points to four IP numbers: 52.101.9.24, 52.101.11.15, 52.101.41.6 and 52.101.41.21.