sean.nu - robtex.com

sean.nu

DNSSEC⚠️ Not signed
A208.87.102.122🇬🇧 hostus208.87.102.0/24
PTRchi.sean.nu
NSns1.sean.nu
A208.87.102.122🇬🇧 hostus208.87.102.0/24
PTRchi.sean.nu
NSdns1.zoneedit.com
A2a03:b0c0:1:e0::1623:2001🇬🇧 DIGITALOCEAN2a03:b0c0:1::/48 DigitalOcean
PTRlon1.zoneedit.com
A165.22.116.248🇬🇧 DIGITALOCEAN165.22.112.0/20 DigitalOcean
PTRlon1.zoneedit.com
NSdns2.zoneedit.com
A2600:3c01::f03c:95ff:fe1d:a125🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies
PTRsjc1.zoneedit.com
A45.33.33.148🇺🇸 AKAMAI-LINODE-AP45.33.32.0/19 Akamai Technologies
PTRsjc1.zoneedit.com
NSns.sean.nu ⚠️ Not in parent delegation
A208.87.102.122🇬🇧 hostus208.87.102.0/24
PTRchi.sean.nu
NSns1.he.net ⚠️ Not in parent delegation
A2001:470:100::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
A216.218.130.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns1.he.net
NSns2.he.net ⚠️ Not in parent delegation
A2001:470:200::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
A216.218.131.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns2.he.net
NSns2.sean.nu ⚠️ Not in parent delegation
A208.87.102.122🇬🇧 hostus208.87.102.0/24
PTRchi.sean.nu
NSns3.he.net ⚠️ Not in parent delegation
A2001:470:300::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
A216.218.132.2🇺🇸 HURRICANE216.218.128.0/17 Hurricane Electric 55 South Market St San Jose, CA
PTRns3.he.net
NSns4.he.net
A2001:470:400::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
A216.66.1.2🇺🇸 HURRICANE216.66.0.0/19 Hurricane Electric 55 South Market St San Jose, CA
PTRns4.he.net
NSns5.he.net
A2001:470:500::2🇺🇸 HURRICANE2001:470::/32 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
A216.66.80.18🇺🇸 HURRICANE216.66.80.0/20 Hurricane Electric 55 South Market St San Jose, CA
PTRns5.he.net
MXmail.sean.nu
A208.87.102.122🇬🇧 hostus208.87.102.0/24
PTRchi.sean.nu
TXTv=spf1 a mx -all
SOAns.sean.nuspam@sean.nu 2026-06-15 #3

nu

DNSSEC🔒 Signed (DS record present)
NScatcher-in-the-rye.nic.nu
NSa.ns.nu
NSc.ns.nu
NSd.ns.nu
NSm.ns.nu
NSy.ns.nu
NSz.ns.nu
TXTid:5c6692ee-4518-4f38-8bd3-a479243208d9
TXTNU zone update: 2026-07-17 02:32:19 +0000 (EPOCH 1784255539) (auto)
SOAcatcher-in-the-rye.nic.nuhostmaster@nic.nu serial=1784255600

Subdomains

Same first word

Similar names

DNS History

13 records (12 active, 1 former)

20162017201820192020202120222023202420252026NSdns1.zoneedit.comdns2.zoneedit.comns.sean.nuns1.he.netns1.sean.nuns2.he.netns2.sean.nuns3.he.netns4.he.netns5.he.netMXmail.sean.nuA208.87.102.122173.255.226.63
NSdns1.zoneedit.com2015-08-28 → 2026-07-17 · 2 obs
● 2015-08-28 19:00:22
● 2026-07-17 02:44:08
NSdns2.zoneedit.com2015-08-28 → 2026-07-17 · 2 obs
● 2015-08-28 19:00:22
● 2026-07-17 02:44:08
NSns.sean.nu2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns1.he.net2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns1.sean.nu2015-08-28 → 2026-07-17 · 2 obs
● 2015-08-28 19:00:22
● 2026-07-17 02:44:08
NSns2.he.net2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns2.sean.nu2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns3.he.net2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns4.he.net2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
NSns5.he.net2026-05-15 → 2026-07-17 · 3 obs
○ 2015-08-28 19:00:22
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08
MXmail.sean.nu2015-08-28 → 2026-07-17 · 2 obs
● 2015-08-28 19:00:22
● 2026-07-17 02:44:08
A173.255.226.632015-08-28 → 2016-07-10 · 4 obs
● 2015-08-28 19:00:22
● 2016-07-10 05:45:50
○ 2026-05-15 16:04:54
○ 2026-07-17 02:44:08
A208.87.102.1222026-05-15 → 2026-07-17 · 3 obs
○ 2016-07-10 05:45:50
● 2026-05-15 16:04:54
● 2026-07-17 02:44:08

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
nua.ns.nu, c.ns.nu, d.ns.nu, m.ns.nu...12 records
sean.nuns.sean.nu, ns4.he.net, ns5.he.net, dns1.zoneedit.com...1 record

✅ Authoritative Response

Server:165.22.116.248

NS records: ns.sean.nu, ns4.he.net, ns5.he.net, dns1.zoneedit.com, dns2.zoneedit.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sean.nu (unsigned zone)

⏱️ Timing

Total: 1353ms | Queries: -

📄 Records

TypeCountSample Data
A1208.87.102.122
NS10ns1.he.net, ns1.sean.nu...
MX1mail.sean.nu (pri: 0)
TXT1v=spf1 a mx -all
SOA1ns.sean.nu spam.sean.nu

📌 Glue Records Collected

Total: 13

In-bailiwick: 13 (a.ns.nu, c.ns.nu, d.ns.nu...)

Analysis

Hierarchy

sean.nu has five child domains: chi.sean.nu, mail.sean.nu, ns2.sean.nu, ns1.sean.nu and ns.sean.nu.

IP Addresses

sean.nu has exactly one IP address — 208.87.102.122.

chi.sean.nu, ns.sean.email, sean.email plus two other host names have IP numbers in common with sean.nu.

Name Servers

sean.nu has 10 name servers — dns1.zoneedit.com, dns2.zoneedit.com, ns1.he.net and 7 others.

There is at least partial name server overlap between sean.nu and other domains — jachowicz.com, majek.sh, wat.im and two more among them.

These name servers regularly appear alongside ns2.he.net, ns3.he.net, ns4.he.net and 7 other name servers in NS record sets.

Host names pointing to two IP addresses:

dns1.zoneedit.com resolves to 165.22.116.248 and 2a03:b0c0:1:e0::1623:2001.

dns2.zoneedit.com resolves to 45.33.33.148 and 2600:3c01::f03c:95ff:fe1d:a125.

ns1.he.net resolves to 216.218.130.2 and 2001:470:100::2.

ns2.he.net resolves to 216.218.131.2 and 2001:470:200::2.

ns3.he.net resolves to 216.218.132.2 and 2001:470:300::2.

ns4.he.net resolves to 216.66.1.2 and 2001:470:400::2.

ns5.he.net resolves to 216.66.80.18 and 2001:470:500::2.

Host names resolving to a single IP address:

ns1.sean.nu resolves to 208.87.102.122.

ns2.sean.nu resolves to 208.87.102.122.

ns.sean.nu resolves to 208.87.102.122.

Three host names point to 208.87.102.122: ns1.sean.nu, ns2.sean.nu and ns.sean.nu.

Mail Servers

sean.nu uses one mail server — mail.sean.nu.

mail.sean.nu points to one IP number — 208.87.102.122.