simantec.com - dns.ninja

simantec.com

DNSSEC⚠️ Not signed
NSlvn-exdns-1.broadcom.net ⭐
A192.19.228.245🇺🇸 AS19637192.19.228.0/24 Broadcom Limited 7365 LINDELL RD, Las Vegas, NV 89139,
PTRlvn-exdns-1.broadcom.net
NSedns161.ultradns.biz
A2610:a1:1015::2a1🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar
PTRedns161.ultradns.biz
A204.74.67.161🇺🇸 MAINT-ID-12008204.74.67.0/24 Neustar
PTRedns161.ultradns.biz
NSedns161.ultradns.com
A2001:502:f3ff::2a1🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar
PTRedns161.ultradns.com
A204.74.66.161🇺🇸 MAINT-ID-12008204.74.66.0/24 Neustar
PTRedns161.ultradns.com
NSedns161.ultradns.net
A2610:a1:1014::2a1🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar
PTRedns161.ultradns.net
A204.74.110.161🇺🇸 MAINT-ID-12008204.74.110.0/24 Neustar
PTRedns161.ultradns.net
NSedns161.ultradns.org
A2001:502:4612::2a1🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar
PTRedns161.ultradns.org
A204.74.111.161🇺🇸 MAINT-ID-12008204.74.111.0/24 Neustar
PTRedns161.ultradns.org
MXtus1smtinbpex01.symantec.com ⭐
A155.64.16.63🇺🇸 AS16733155.64.16.0/23 SYMC Ashburn US
A155.64.49.83🇺🇸 ENETWORKS128.0.0.0/2
MXtus1smtinbpex02.symantec.com ⭐
A155.64.16.63🇺🇸 AS16733155.64.16.0/23 SYMC Ashburn US
A155.64.49.83🇺🇸 ENETWORKS128.0.0.0/2
MXtus1smtinbpex03.symantec.com ⭐
A155.64.16.63🇺🇸 AS16733155.64.16.0/23 SYMC Ashburn US
A155.64.49.83🇺🇸 ENETWORKS128.0.0.0/2
TXTv=spf1 ip4:216.10.194.28 ip4:216.10.194.135 ip4:202.75.191.8 ip4:216.10.195.2...
SOAlvn-exdns-1.broadcom.netdomains\@admin.broadcom.com 2021-02-19 #9

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1783948862

Same first word

simantec.de
simantec.com
simantec.cl
simantec.ec

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DNS History

23 records (8 active, 15 former)

20162017201820192020202120222023202420252026NSedns161.ultradns.bizedns161.ultradns.comedns161.ultradns.netedns161.ultradns.orglvn-exdns-1.broadcom.netpdns1.ultradns.netpdns2.ultradns.netpdns3.ultradns.orgpdns4.ultradns.orgpdns5.ultradns.infopdns6.ultradns.co.ukudns1.ultradns.netudns2.ultradns.netMXtus1smtinbpex01.symantec.comtus1smtinbpex02.symantec.comtus1smtinbpex03.symantec.comexcu-mxib-1.symantec.comextu-mxib-1.symantec.comextu-mxib-2.symantec.comA155.64.16.51155.64.49.54206.204.52.31216.12.145.20
●NSedns161.ultradns.biz2026-03-20 → 2026-07-13 · 3 obs
○ 2017-03-29 09:54:30
● 2026-03-20 04:47:30
● 2026-07-13 13:43:38
●NSedns161.ultradns.com2026-03-20 → 2026-07-13 · 3 obs
○ 2017-03-29 09:54:30
● 2026-03-20 04:47:30
● 2026-07-13 13:43:38
●NSedns161.ultradns.net2026-03-20 → 2026-07-13 · 3 obs
○ 2017-03-29 09:54:30
● 2026-03-20 04:47:30
● 2026-07-13 13:43:38
●NSedns161.ultradns.org2026-03-20 → 2026-07-13 · 3 obs
○ 2017-03-29 09:54:30
● 2026-03-20 04:47:30
● 2026-07-13 13:43:38
●NSlvn-exdns-1.broadcom.net2026-03-20 → 2026-07-13 · 6 obs
○ 2017-03-29 09:54:30
● 2026-03-20 04:47:30
● 2026-06-17 08:02:02
○ 2026-06-17 10:45:32
● 2026-06-17 15:44:40
● 2026-07-13 13:43:38
○NSpdns1.ultradns.net2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSpdns2.ultradns.net2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSpdns3.ultradns.org2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSpdns4.ultradns.org2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSpdns5.ultradns.info2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSpdns6.ultradns.co.uk2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○NSudns1.ultradns.net2017-03-29 → 2017-03-29 · 4 obs
○ 2016-05-07 06:30:12
● 2017-03-29 09:54:30
○ 2026-03-20 04:47:30
○ 2026-07-13 13:43:38
○NSudns2.ultradns.net2017-03-29 → 2017-03-29 · 4 obs
○ 2016-05-07 06:30:12
● 2017-03-29 09:54:30
○ 2026-03-20 04:47:30
○ 2026-07-13 13:43:38
○MXexcu-mxib-1.symantec.com2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○MXextu-mxib-1.symantec.com2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
○MXextu-mxib-2.symantec.com2015-06-21 → 2016-05-07 · 4 obs
● 2015-06-21 22:25:42
● 2016-05-07 06:30:12
○ 2017-03-29 09:54:30
○ 2026-07-13 13:43:38
●MXtus1smtinbpex01.symantec.com2017-03-29 → 2026-07-13 · 6 obs
○ 2016-05-07 06:30:12
● 2017-03-29 09:54:30
● 2026-06-17 08:02:02
○ 2026-06-17 10:45:32
● 2026-06-17 15:44:40
● 2026-07-13 13:43:38
●MXtus1smtinbpex02.symantec.com2017-03-29 → 2026-07-13 · 6 obs
○ 2016-05-07 06:30:12
● 2017-03-29 09:54:30
● 2026-06-17 08:02:02
○ 2026-06-17 10:45:32
● 2026-06-17 15:44:40
● 2026-07-13 13:43:38
●MXtus1smtinbpex03.symantec.com2017-03-29 → 2026-07-13 · 6 obs
○ 2016-05-07 06:30:12
● 2017-03-29 09:54:30
● 2026-06-17 08:02:02
○ 2026-06-17 10:45:32
● 2026-06-17 15:44:40
● 2026-07-13 13:43:38
○A155.64.16.512016-05-07 → 2017-03-29 · 5 obs
○ 2016-02-12 12:57:54
● 2016-05-07 06:30:12
● 2017-03-29 09:54:30
○ 2026-03-20 04:47:30
○ 2026-07-13 13:43:38
○A155.64.49.542016-05-07 → 2017-03-29 · 5 obs
○ 2016-02-12 12:57:54
● 2016-05-07 06:30:12
● 2017-03-29 09:54:30
○ 2026-03-20 04:47:30
○ 2026-07-13 13:43:38
○A206.204.52.312015-06-21 → 2016-02-12 · 4 obs
● 2015-06-21 22:25:42
● 2016-02-12 12:57:54
○ 2016-05-07 06:30:12
○ 2026-07-13 13:43:38
○A216.12.145.202015-06-21 → 2016-02-12 · 4 obs
● 2015-06-21 22:25:42
● 2016-02-12 12:57:54
○ 2016-05-07 06:30:12
○ 2026-07-13 13:43:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
simantec.comedns161.ultradns.biz, edns161.ultradns.net, edns161.ultradns.com, edns161.ultradns.org2 records

✅ Authoritative Response

Server:204.74.66.161

NS records: edns161.ultradns.biz, edns161.ultradns.net, edns161.ultradns.com, edns161.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for simantec.com (unsigned zone)

⏱️ Timing

Total: 846ms | Queries: -

📄 Records

TypeCountSample Data
NS4edns161.ultradns.biz, edns161.ultradns.com...
MX3tus1smtinbpex01.symantec.com (pri: 10), tus1smtinbpex02.symantec.com (pri: 10)...
TXT1v=spf1 ip4:216.10.194.28 ip4:216.10.194.
SOA1lvn-exdns-1.broadcom.net domains\.admin.

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (edns161.ultradns.com, edns161.ultradns.com)

Analysis

Name Servers

simantec.com has five name servers, which are edns161.ultradns.biz, edns161.ultradns.com, lvn-exdns-1.broadcom.net and two others.

There is at least partial name server overlap between simantec.com and other domains — brightmail.com, messagelabs.com.hk, symantecmail.com and two more among them.

These name servers tend to appear in combination with the name servers edns161.ultradns.net, edns161.ultradns.org, ns96.ultradns2.com and ns96.ultradns2.org.

Hostnames that resolve to two IP addresses:

The A records for edns161.ultradns.biz return 204.74.67.161 and 2610:a1:1015::2a1.

The A records for edns161.ultradns.com return 204.74.66.161 and 2001:502:f3ff::2a1.

The A records for edns161.ultradns.net return 204.74.110.161 and 2610:a1:1014::2a1.

The A records for edns161.ultradns.org return 204.74.111.161 and 2001:502:4612::2a1.

Hosts with just one IP address:

lvn-exdns-1.broadcom.net resolves to the IP address 192.19.228.245.

Mail Servers

Incoming mail for simantec.com is delivered via three mail servers: tus1smtinbpex01.symantec.com, tus1smtinbpex02.symantec.com and tus1smtinbpex03.symantec.com.

simantec.com has at least partial mail server overlap with other domains such as ncrypt.us, information-integrity.com, symantec.nl and two more.

This set of mail servers commonly appears together with the mail servers excu-mxib-1.symantec.com.

tus1smtinbpex01.symantec.com, tus1smtinbpex02.symantec.com and tus1smtinbpex03.symantec.com all point to the same two IP addresses — 155.64.16.63 and 155.64.49.83.

The host names tus1smtinbpex01.symantec.com, tus1smtinbpex02.symantec.com and tus1smtinbpex03.symantec.com each resolve to 155.64.16.63.

The host names tus1smtinbpex01.symantec.com, tus1smtinbpex02.symantec.com and tus1smtinbpex03.symantec.com each resolve to 155.64.49.83.