ns.comcastuniversalemail.com - robtex.com

ns.comcastuniversalemail.com

CNAMEcomcastuniversalemail.com
DNSSEC🔒 Signed (DS record present)
NSns.comcastuniversalemail.com ⭐
NSdns101.comcast.net
A2001:558:fe23:8:69:252:250:103🇺🇸 AS332872001:558:fe23::/48
PTRdns101.comcast.net
A69.252.250.103🇺🇸 COMCAST-IBONE69.240.0.0/12 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns101.comcast.net
NSdns102.comcast.net
A2001:558:1004:7:68:87:85:132🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns102.comcast.net
A68.87.85.132🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns102.comcast.net
NSdns103.comcast.net
A2001:558:1014:c:68:87:76:228🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns103.comcast.net
A68.87.76.228🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns103.comcast.net
NSdns104.comcast.net
A2001:558:100a:5:68:87:68:244🇺🇸 AS77252001:558:100a::/48
PTRdns104.comcast.net
A68.87.68.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns104.comcast.net
NSdns105.comcast.net
A2001:558:100e:5:68:87:72:244🇺🇸 COMCAST-IBONE2001:558::/29 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
A68.87.72.244🇺🇸 COMCAST-IBONE68.80.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054
PTRdns105.comcast.net
TXTv=spf1 -all
SOAns.comcastuniversalemail.comdnsmaster@comcastonline.com serial=2008073626

comcastuniversalemail.com

DNSSEC🔒 Signed (DS record present)
NSns.comcastuniversalemail.com ⭐
NSdns101.comcast.net
NSdns102.comcast.net
NSdns103.comcast.net
NSdns104.comcast.net
NSdns105.comcast.net
TXTv=spf1 -all
SOAns.comcastuniversalemail.comdnsmaster@comcastonline.com serial=2008073626

NS for

comcastuniversalemail.com

Previously NS for

ns.comcastuniversalemail.com

Same first word

ns.ws
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DNS History

9 records (1 active, 8 former)

201820192020202120222023202420252026NSdns101.comcast.netdns102.comcast.netdns103.comcast.netdns104.comcast.netdns105.comcast.netns.comcastuniversalemail.comA165.160.13.20165.160.15.20CNAMEcomcastuniversalemail.com
○NSdns101.comcast.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○NSdns102.comcast.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○NSdns103.comcast.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○NSdns104.comcast.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○NSdns105.comcast.net2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○NSns.comcastuniversalemail.com2017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○A165.160.13.202017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
○A165.160.15.202017-03-22 → 2017-03-22 · 3 obs
● 2017-03-22 01:01:40
○ 2026-04-02 23:06:52
○ 2026-04-08 05:30:16
●CNAMEcomcastuniversalemail.com2017-03-22 → 2026-04-08 · 2 obs
● 2017-03-22 01:01:40
● 2026-04-08 05:30:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, d.gtld-servers.net...-
comcastuniversalemail.comdns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net...-

✅ Authoritative Response

Server:68.87.85.132

NS records: dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net, dns105.comcast.net

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1851ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1comcastuniversalemail.com

Analysis

Name Server Role

ns.comcastuniversalemail.com serves as the name server for comcastuniversalemail.com.

dns101.comcast.net, dns102.comcast.net and dns103.comcast.net commonly serve as nameservers together with ns.comcastuniversalemail.com.

Name Servers

ns.comcastuniversalemail.com is delegated to six name servers: ns.comcastuniversalemail.com, dns101.comcast.net, dns102.comcast.net, dns103.comcast.net, dns104.comcast.net and dns105.comcast.net.

ns.comcastuniversalemail.com shares name servers with other domains at least partially, for instance tallhassee.fl.bo.comcast.net, 247.19.76.in-addr.arpa, 108.61.24.in-addr.arpa, 32.135.76.in-addr.arpa and mylocalcomcast.com.

these name servers are often used together with the name servers ns.mylocalcomcast.com.

Host names with two IP numbers:

dns101.comcast.net points to 2001:558:fe23:8:69:252:250:103 and 69.252.250.103.

dns102.comcast.net points to 2001:558:1004:7:68:87:85:132 and 68.87.85.132.

dns103.comcast.net points to 2001:558:1014:c:68:87:76:228 and 68.87.76.228.

dns104.comcast.net points to 2001:558:100a:5:68:87:68:244 and 68.87.68.244.

dns105.comcast.net points to 2001:558:100e:5:68:87:72:244 and 68.87.72.244.