phdca.com - robtex.com
phdca.com
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Similar names
DNS History
15 records (6 active, 9 former)
○NSns1.p18.dynect.net2015-08-06 → 2017-11-20 · 4 obs
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
○NSns2.p18.dynect.net2015-08-06 → 2017-11-20 · 4 obs
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
○NSns3.p18.dynect.net2015-08-06 → 2017-11-20 · 4 obs
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
○NSns4.p18.dynect.net2015-08-06 → 2017-11-20 · 4 obs
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
●NSpdns82.ultradns.biz2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 07:36:26
● 2026-03-14 07:36:28
●NSpdns82.ultradns.com2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 07:36:26
● 2026-03-14 07:36:28
●NSpdns82.ultradns.net2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 07:36:26
● 2026-03-14 07:36:28
●NSpdns82.ultradns.org2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 07:36:26
● 2026-03-14 07:36:28
○MXmxa-00162901.gslb.pphosted.com2016-12-04 → 2017-11-20 · 5 obs
● 2016-12-04 15:41:00
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
○MXmxb-00162901.gslb.pphosted.com2016-12-04 → 2017-11-20 · 5 obs
● 2016-12-04 15:41:00
● 2017-11-20 07:14:12
○ 2026-03-14 07:36:26
○ 2026-03-14 07:36:28
●MXphdca-com.mail.protection.outlook.com2026-03-14 → 2026-03-14 · 3 obs
● 2026-03-14 07:36:26
● 2026-03-14 07:36:28
○MXus-smtp-inbound-1.mimecast.com2015-11-03 → 2016-03-24 · 4 obs
● 2016-03-24 08:48:16
○ 2016-12-04 15:41:00
○ 2026-03-14 07:36:28
○MXus-smtp-inbound-2.mimecast.com2015-11-03 → 2016-03-24 · 4 obs
● 2016-03-24 08:48:16
○ 2016-12-04 15:41:00
○ 2026-03-14 07:36:28
●A149.39.22.232016-12-04 → 2026-03-14 · 3 obs
● 2016-12-04 15:41:00
● 2026-03-14 07:36:28
○A63.240.52.2522015-08-06 → 2016-03-24 · 4 obs
● 2016-03-24 08:48:16
○ 2016-12-04 15:41:00
○ 2026-03-14 07:36:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| phdca.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 phdca.com (unsigned zone)
⏱️ Timing
Total: 445ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 149.39.22.23 |
| NS | 4 | pdns82.ultradns.biz, pdns82.ultradns.com... |
| MX | 1 | phdca-com.mail.protection.outlook.com (p |
| TXT | 6 | v=spf1 include:_spf.oneomnicom.com -all, google-site-verification=9u4dvhz0zbr8Zkd... |
| 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
phdca.com resolves to one IP number: 149.39.22.23.
Other host names such as omd.hu and phdus.com share IP numbers with phdca.com.
Name Servers
phdca.com is delegated to four name servers: pdns82.ultradns.biz, pdns82.ultradns.com, pdns82.ultradns.net and pdns82.ultradns.org.
phdca.com at least partially shares name servers with other domains, for instance sanjacintorail.org, omg-analytics.com, interbrand.co.in, tbwa.it and tbwa-berlin.com.
Host names with two IP numbers:
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.
Mail Servers
phdca.com is handled by a single mail server, phdca-com.mail.protection.outlook.com.
The host name phdca-com.mail.protection.outlook.com resolves to four IP numbers: 52.101.9.17, 52.101.11.15, 52.101.41.28 and 52.101.41.56.