pfizer - robtex.com

pfizer

(root)

DNSSEC🔒 Signed (DS record present)
NSa.root-servers.net ⭐ ⚠️ Not in parent delegation
NSb.root-servers.net ⚠️ Not in parent delegation
NSc.root-servers.net ⚠️ Not in parent delegation
NSd.root-servers.net ⚠️ Not in parent delegation
NSe.root-servers.net ⚠️ Not in parent delegation
NSf.root-servers.net ⚠️ Not in parent delegation
NSg.root-servers.net ⚠️ Not in parent delegation
NSh.root-servers.net ⚠️ Not in parent delegation
NSi.root-servers.net ⚠️ Not in parent delegation
NSj.root-servers.net ⚠️ Not in parent delegation
NSk.root-servers.net ⚠️ Not in parent delegation
NSl.root-servers.net ⚠️ Not in parent delegation
NSm.root-servers.net ⚠️ Not in parent delegation
SOAa.root-servers.netnstld@verisign-grs.com 2026-06-13 #0

Previously NS for

Subdomains

Same first word

Similar names

DNS History

9 records (6 active, 3 former)

2017201820192020202120222023202420252026NSa.nic.pfizerb.nic.pfizerc.nic.pfizerns1.dns.nic.pfizerns2.dns.nic.pfizerns3.dns.nic.pfizerns4.dns.nic.pfizerns5.dns.nic.pfizerns6.dns.nic.pfizer
NSa.nic.pfizer2026-02-15 → 2026-06-13 · 3 obs
○ 2021-06-11 05:16:58
● 2026-02-15 07:35:42
● 2026-06-13 10:17:26
NSb.nic.pfizer2026-02-15 → 2026-06-13 · 3 obs
○ 2021-06-11 05:16:58
● 2026-02-15 07:35:42
● 2026-06-13 10:17:26
NSc.nic.pfizer2026-02-15 → 2026-06-13 · 3 obs
○ 2021-06-11 05:16:58
● 2026-02-15 07:35:42
● 2026-06-13 10:17:26
NSns1.dns.nic.pfizer2016-12-11 → 2026-06-13 · 2 obs
● 2016-12-11 14:20:18
● 2026-06-13 10:17:26
NSns2.dns.nic.pfizer2016-12-11 → 2026-06-13 · 2 obs
● 2016-12-11 14:20:18
● 2026-06-13 10:17:26
NSns3.dns.nic.pfizer2016-12-11 → 2026-06-13 · 2 obs
● 2016-12-11 14:20:18
● 2026-06-13 10:17:26
NSns4.dns.nic.pfizer2016-12-11 → 2021-06-11 · 4 obs
● 2016-12-11 14:20:18
● 2021-06-11 05:16:58
○ 2026-02-15 07:35:42
○ 2026-06-13 10:17:26
NSns5.dns.nic.pfizer2016-12-11 → 2021-06-11 · 4 obs
● 2016-12-11 14:20:18
● 2021-06-11 05:16:58
○ 2026-02-15 07:35:42
○ 2026-06-13 10:17:26
NSns6.dns.nic.pfizer2016-12-11 → 2021-06-11 · 4 obs
● 2016-12-11 14:20:18
● 2021-06-11 05:16:58
○ 2026-02-15 07:35:42
○ 2026-06-13 10:17:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
pfizerc.nic.pfizer, ns2.dns.nic.pfizer, b.nic.pfizer, ns3.dns.nic.pfizer...12 records

✅ Authoritative Response

Server:156.154.144.134

NS records: c.nic.pfizer, ns2.dns.nic.pfizer, b.nic.pfizer, ns3.dns.nic.pfizer, a.nic.pfizer, ns1.dns.nic.pfizer

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 550ms | Queries: -

📄 Records

TypeCountSample Data
NS6ns1.dns.nic.pfizer, b.nic.pfizer...
SOA1ns1.dns.nic.pfizer admin.tldns.godaddy

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (ns3.dns.nic.pfizer, ns2.dns.nic.pfizer, ns1.dns.nic.pfizer...)

Analysis

Hierarchy

The host names franklin.pfizer, ifox.pfizer, biblio.pfizer, gaia.pfizer and launchpad.pfizer — among a few others — fall under the parent domain pfizer.

Name Servers

pfizer is served by 6 authoritative name servers — among them a.nic.pfizer, b.nic.pfizer, c.nic.pfizer and 3 others.

pfizer is at least partially co-delegated on name servers with other domains, such as nic.pfizer.

It is common for these name servers to be used in conjunction with the name servers ns1.dns.nic.pfizer, ns2.dns.nic.pfizer and ns3.dns.nic.pfizer.

Hosts with two IP numbers each:

a.nic.pfizer resolves to two addresses: 37.209.192.9 and 2001:dcd:1::9.

b.nic.pfizer resolves to two addresses: 37.209.194.9 and 2001:dcd:2::9.

c.nic.pfizer resolves to two addresses: 37.209.196.9 and 2001:dcd:3::9.

ns1.dns.nic.pfizer resolves to two addresses: 156.154.144.134 and 2610:a1:1071::86.

ns2.dns.nic.pfizer resolves to two addresses: 156.154.145.134 and 2610:a1:1072::86.

ns3.dns.nic.pfizer resolves to two addresses: 156.154.159.134 and 2610:a1:1073::86.