mail.colliercom.com - robtex.com

mail.colliercom.com

DNSSEC⚠️ Not signed
A71.252.219.66
PTRmail.colliercom.com
MXmx00.1and1.com ⭐
A74.208.5.3🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx00.perfora.net
MXmx01.1and1.com ⭐
A74.208.5.21🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
PTRmx01.perfora.net

colliercom.com

DNSSEC⚠️ Not signed
A74.208.236.152🇺🇸 IONOS-AS74.208.0.0/16 IONOS Inc.
NSns1053.ui-dns.de ⭐
NSns1053.ui-dns.biz
NSns1053.ui-dns.com
NSns1053.ui-dns.org
MXmx00.ionos.com ⭐
MXmx01.ionos.com ⭐
TXTv=spf1 include:_spf-us.ionos.com ~all
SOAns1053.ui-dns.dehostmaster@1and1.com 2017-06-30 #14

PTR for

66.219.252.71.in-addr.arpa

Same first word

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DNS History

3 records (3 active, 0 former)

20162017201820192020202120222023202420252026MXmx00.1and1.commx01.1and1.comA71.252.219.66
●MXmx00.1and1.com2015-06-07 → 2026-03-24 · 2 obs
● 2015-06-07 01:58:08
● 2026-03-24 07:37:36
●MXmx01.1and1.com2015-06-07 → 2026-03-24 · 2 obs
● 2015-06-07 01:58:08
● 2026-03-24 07:37:36
●A71.252.219.662015-06-07 → 2026-03-24 · 2 obs
● 2015-06-07 01:58:08
● 2026-03-24 07:37:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
colliercom.comns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.org, ns1053.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.81.53

NS records: ns1053.ui-dns.de, ns1053.ui-dns.biz, ns1053.ui-dns.org, ns1053.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for colliercom.com (unsigned zone)

⏱️ Timing

Total: 354ms | Queries: -

📄 Records

TypeCountSample Data
A171.252.219.66
MX2mx00.1and1.com (pri: 10), mx01.1and1.com (pri: 10)

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1053.ui-dns.com, ns1053.ui-dns.com)

Analysis

IP Addresses

mail.colliercom.com resolves to one IP number: 71.252.219.66.

Mail Servers

Two mail servers handle mail.colliercom.com: mx00.1and1.com and mx01.1and1.com.

mail.colliercom.com shares the same mail server setup as other domains, for instance businessinstitute.online, arabic.islamicweb.com, football.af, mail.businesfield.com and www.reftrust.com.

mail.colliercom.com shares some mail servers with other domains, at least partially, for instance howlingcreations.com, u19227728.onlinehome-server.com, ns3.enspireservers.com, bandittrading.com and u24659334.onlinehome-server.com.

Host names with one IP number:

mx00.1and1.com points to 74.208.5.3

mx01.1and1.com points to 74.208.5.21