sendmail.org.uk - robtex.com

sendmail.org.uk

DNSSEC⚠️ Not signed
NSns1.proofpoint.com ⭐
A2620:100:9000:1::d0🇺🇸 Proofpoint2620:100:9000::/47 Inc.
PTRns1.proofpoint.com
A208.84.67.208🇺🇸 Proofpoint208.84.67.0/24 Inc.
PTRns1-at1.proofpoint.com
PTRns1.proofpoint.com
PTRns5.proofpoint.com
NSns3.proofpoint.com
A2620:100:9004:1::d0🇺🇸 Proofpoint2620:100:9004::/47 Inc.
PTRns3.proofpoint.com
A208.84.66.208🇺🇸 Proofpoint208.84.66.0/24 Inc.
PTRns1-sc4.proofpoint.com
PTRns2.proofpoint.com
PTRns3.proofpoint.com
PTRns4.proofpoint.com
NSpdns99.ultradns.biz
A2610:a1:1015::87🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRpdns99.ultradns.biz
A156.154.66.99🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar
PTRpdns99.ultradns.biz
NSpdns99.ultradns.com
A2001:502:f3ff::87🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRpdns99.ultradns.com
A156.154.64.99🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar
PTRpdns99.ultradns.com
NSpdns99.ultradns.net
A2610:a1:1014::87🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRpdns99.ultradns.net
A156.154.65.99🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar
PTRpdns99.ultradns.net
NSpdns99.ultradns.org
A2001:502:4612::87🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRpdns99.ultradns.org
A156.154.67.99🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar
PTRpdns99.ultradns.org
TXTv=spf1 -all
SOAns1.proofpoint.comops@proofpoint.com 2017-03-02 #12

org.uk

DNSSEC⚠️ Not signed
NSdns1.nic.uk ⭐ ⚠️ Not in parent delegation
NSdns2.nic.uk ⚠️ Not in parent delegation
NSdns3.nic.uk ⚠️ Not in parent delegation
NSdns4.nic.uk ⚠️ Not in parent delegation
NSnsa.nic.uk ⚠️ Not in parent delegation
NSnsb.nic.uk ⚠️ Not in parent delegation
NSnsc.nic.uk ⚠️ Not in parent delegation
NSnsd.nic.uk ⚠️ Not in parent delegation
SOAdns1.nic.ukhostmaster@nominet.org.uk serial=1774684881
rank #858369 globally
rank #32428 in the tld
WOT: SAFE (71/100)

Same first word

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sendmail.com

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DNS History

6 records (6 active, 0 former)

NSns1.proofpoint.comns3.proofpoint.compdns99.ultradns.bizpdns99.ultradns.compdns99.ultradns.netpdns99.ultradns.org
●NSns1.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22
●NSns3.proofpoint.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22
●NSpdns99.ultradns.biz2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22
●NSpdns99.ultradns.com2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22
●NSpdns99.ultradns.net2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22
●NSpdns99.ultradns.org2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 22:53:48
● 2026-03-28 08:22:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
uknsd.nic.uk, nsc.nic.uk, dns4.nic.uk, nsa.nic.uk...-
sendmail.org.ukns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.biz, pdns99.ultradns.com...-

✅ Authoritative Response

Server:208.84.67.208

NS records: ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.biz, pdns99.ultradns.com, pdns99.ultradns.net, pdns99.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sendmail.org.uk (unsigned zone)

⏱️ Timing

Total: 460ms | Queries: -

📄 Records

TypeCountSample Data
NS6pdns99.ultradns.net, pdns99.ultradns.com...
TXT1v=spf1 -all
SOA1ns1.proofpoint.com ops.proofpoint.com

Analysis

Name Servers

sendmail.org.uk is delegated to six name servers: pdns99.ultradns.biz, ns1.proofpoint.com, ns3.proofpoint.com, pdns99.ultradns.com, pdns99.ultradns.net and pdns99.ultradns.org.

sendmail.org.uk shares name servers with other domains at least partially, for example ti-pure.ca, aboutemployeebenefits.com, 38.145.200.216.in-addr.arpa, xn--9kqq43d.cn and 145.55.143.in-addr.arpa.

These name servers are commonly used with infoblox-sc4.ppops.net.

Host names with two IPs:

pdns99.ultradns.biz ->2610:a1:1015::87 and 156.154.66.99

ns1.proofpoint.com ->2620:100:9000:1::d0 and 208.84.67.208

ns3.proofpoint.com ->2620:100:9004:1::d0 and 208.84.66.208

pdns99.ultradns.com ->2001:502:f3ff::87 and 156.154.64.99

pdns99.ultradns.net ->2610:a1:1014::87 and 156.154.65.99

pdns99.ultradns.org ->2001:502:4612::87 and 156.154.67.99