groups.io - dns.ninja

groups.io

DNSSEC⚠️ Not signed
A45.79.81.153🇺🇸 AKAMAI-LINODE-AP45.79.64.0/19 Akamai Technologies
PTRlb01.groups.io
A173.255.221.194🇺🇸 AKAMAI-LINODE-AP173.255.208.0/20 Akamai Technologies
NSdns1.groups.io ⭐
A45.33.14.122🇺🇸 AKAMAI-LINODE-AP45.33.0.0/19 Akamai Technologies
PTRli968-122.members.linode.com
NSdns2.groups.io
A172.104.14.252🇺🇸 AKAMAI-LINODE-AP172.104.8.0/21 Akamai Technologies
PTRli1749-252.members.linode.com
MXlb01.groups.io ⭐
A45.79.81.153🇺🇸 AKAMAI-LINODE-AP45.79.64.0/19 Akamai Technologies
PTRlb01.groups.io
MXlb02.groups.io ⭐
A173.255.221.194🇺🇸 AKAMAI-LINODE-AP173.255.208.0/20 Akamai Technologies
PTRlb02.groups.io
TXTgoogle-site-verification=cIdgZ-hBu3RiSGae0xG2qUDmQY5hS3dsg6qUGxAZjaE
TXTv=spf1 include:_spf.groups.io -all
SOAdns1.groups.iohostmaster@groups.io serial=1783725331

io

DNSSEC🔒 Signed (DS record present)
NSa0.nic.io ⭐
NSa2.nic.io
NSb0.nic.io
NSc0.nic.io
SOAa0.nic.iohostmaster@donuts.email serial=1783761016
rank #6724 globally
rank #73 in the tld

groups.io

groups.iois an email-based discussion group and community forum platform. The service is owned and operated by Mark Fletcher.

Key facts

  • Owner / operator: Mark Fletcher
  • TLD:.io— British Indian Ocean Territory (ccTLD)
  • Primary purpose: discussion group hosting
  • Status: active

History

YearEvent
2014Thegroups.ioplatform is launched in beta.
2019An automated migration tool is released to help users import data from Yahoo Groups.
2020The automated import tool is retired following the complete shutdown of Yahoo Groups.
📈 Tranco rank: #11,637

Subdomains

www.groups.io
edk2.groups.io
dns1.groups.io
onstep.groups.io
web01.groups.io
dns2.groups.io
techtalk.groups.io
lb02.groups.io
pony.groups.io
lb01.groups.io
mediapro.groups.io
ecir.groups.io

Same first word

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groups.no
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sgroup.edu.vn
sgroup.de

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSdns1.groups.iodns2.groups.ioMXlb01.groups.iolb02.groups.ioweb01.groups.ioA173.255.221.19445.79.81.15366.175.222.12
●NSdns1.groups.io2015-09-01 → 2026-07-11 · 2 obs
● 2015-09-01 17:52:18
● 2026-07-11 09:44:40
●NSdns2.groups.io2015-09-01 → 2026-07-11 · 2 obs
● 2015-09-01 17:52:18
● 2026-07-11 09:44:40
●MXlb01.groups.io2020-01-17 → 2026-07-11 · 3 obs
○ 2017-01-23 10:44:52
● 2020-01-17 21:02:36
● 2026-07-11 09:44:40
●MXlb02.groups.io2020-01-17 → 2026-07-11 · 3 obs
○ 2017-01-23 10:44:52
● 2020-01-17 21:02:36
● 2026-07-11 09:44:40
○MXweb01.groups.io2015-09-01 → 2017-01-23 · 4 obs
● 2015-09-01 17:52:18
● 2017-01-23 10:44:52
○ 2020-01-17 21:02:36
○ 2026-07-11 09:44:40
●A173.255.221.1942020-01-17 → 2026-07-11 · 3 obs
○ 2017-01-23 10:44:52
● 2020-01-17 21:02:36
● 2026-07-11 09:44:40
●A45.79.81.1532020-01-17 → 2026-07-11 · 3 obs
○ 2017-01-23 10:44:52
● 2020-01-17 21:02:36
● 2026-07-11 09:44:40
○A66.175.222.122015-09-01 → 2017-01-23 · 4 obs
● 2015-09-01 17:52:18
● 2017-01-23 10:44:52
○ 2020-01-17 21:02:36
○ 2026-07-11 09:44:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
ioa0.nic.io, b0.nic.io, a2.nic.io, c0.nic.io-
groups.iodns2.groups.io, dns1.groups.io2 records

✅ Authoritative Response

Server:45.33.14.122

NS records: dns2.groups.io, dns1.groups.io

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groups.io (unsigned zone)

⏱️ Timing

Total: 329ms | Queries: -

📄 Records

TypeCountSample Data
A245.79.81.153, 173.255.221.194
NS2dns1.groups.io, dns2.groups.io
MX2lb01.groups.io (pri: 10), lb02.groups.io (pri: 10)
TXT2google-site-verification=cIdgZ-hBu3RiSGa, v=spf1 include:_spf.groups.io -all
SOA1dns1.groups.io hostmaster.groups.io

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (dns1.groups.io, dns2.groups.io)

Analysis

Hierarchy

groups.io is a parent domain; its children include www.groups.io, edk2.groups.io, dns1.groups.io, onstep.groups.io, web01.groups.io and a few other host names.

IP Addresses

groups.io resolves to the IP addresses 45.79.81.153 and 173.255.221.194

www.groups.io, edk2.groups.io, lists.openembedded.org plus two other host names have IP numbers in common with groups.io.

Name Servers

groups.io has two authoritative name servers — dns1.groups.io and dns2.groups.io.

groups.io partially shares its NS delegation with several other domains, including dgroups.io, lists.ivta.net, peachheadgroups.com and two others.

In DNS configurations, these name servers often share authority with dns1.dgroups.io, dns2.dgroups.io, dns1.lists.ivta.net and 7 other name servers.

dns1.groups.io resolves to 45.33.14.122. dns2.groups.io resolves to 172.104.14.252. Both host names point to a single IP number.

Mail Servers

groups.io uses two mail servers, lb01.groups.io and lb02.groups.io.

The mail server setup of groups.io matches that of other domains such as peachheadgroups.com, pony.groups.io, lyris.spc.int and two others.

lb01.groups.io resolves to 45.79.81.153. lb02.groups.io resolves to 173.255.221.194. Both host names point to a single IP number.