mail.sema.tech - robtex.com

mail.sema.tech

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com ⭐ ⚠️ Not in parent delegation
A2603:5:2126::45🇺🇸 GODADDY-DNS2603:5:2120::/44
PTRns1.afternic.com
A97.74.98.69🇺🇸 GODADDY-DNS97.74.98.0/23
PTRns1.afternic.com
NSns2.afternic.com ⚠️ Not in parent delegation
A2603:5:2226::45🇺🇸 GODADDY-DNS2603:5:2220::/44
PTRns2.afternic.com
A173.201.66.69🇺🇸 GODADDY-DNS173.201.66.0/23
PTRns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

sema.tech

DNSSEC⚠️ Not signed
A13.248.169.48🇺🇸 Amazon13.248.160.0/20
A76.223.54.146🇺🇸 Amazon76.223.48.0/20
NSns1.afternic.com
NSns2.afternic.com
TXTv=spf1 -all
SOAns1.afternic.comdns@jomax.net serial=1

Previously MX for

Same first word

Similar names

DNS History

5 records (4 active, 1 former)

2020202120222023202420252026NSns1.afternic.comns2.afternic.comA13.248.169.4876.223.54.146149.202.102.180
NSns1.afternic.com2026-07-12 → 2026-07-12 · 2 obs
● 2026-07-12 03:17:28
● 2026-07-12 03:17:30
NSns2.afternic.com2026-07-12 → 2026-07-12 · 2 obs
● 2026-07-12 03:17:28
● 2026-07-12 03:17:30
A13.248.169.482026-07-12 → 2026-07-12 · 3 obs
○ 2019-12-20 09:49:00
● 2026-07-12 03:17:28
● 2026-07-12 03:17:30
A149.202.102.1802019-12-20 → 2019-12-20 · 3 obs
● 2019-12-20 09:49:00
○ 2026-07-12 03:17:28
○ 2026-07-12 03:17:30
A76.223.54.1462026-07-12 → 2026-07-12 · 3 obs
○ 2019-12-20 09:49:00
● 2026-07-12 03:17:28
● 2026-07-12 03:17:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info-
sema.techns1.afternic.com, ns2.afternic.com-

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sema.tech (unsigned zone)

⏱️ Timing

Total: 3139ms | Queries: -

📄 Records

TypeCountSample Data
A276.223.54.146, 13.248.169.48
NS2ns1.afternic.com, ns2.afternic.com
MX1. (pri: 0)
TXT1v=spf1 -all
SOA1ns1.afternic.com dns.jomax.net

Analysis

IP Addresses

mail.sema.tech directs to two IP numbers, 13.248.169.48 and 76.223.54.146

Additional host names — roomadvisor.com, sample.babyblue100.com, mebelit.com and two others — share IP numbers with mail.sema.tech.

Name Servers

Two name servers handle the delegation for mail.sema.tech: ns1.afternic.com and ns2.afternic.com.

mail.sema.tech shares its name server setup with other domains, including confortenergie.com, outbest.com, mail.tetatet.org and two others.

mail.sema.tech has at least partial name server overlap with other domains, such as filefactory.co, webwatch.us, panpy.com and two others.

It is common to find these name servers paired with the name servers verification-m3erh32ujyoastvophjvuz.ns101.verify.hn, verification-qxu9bfdaih4cxurbbn3f4d.ns101.verify.hn, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn and verification-bp8ywsrcuguhcqzkgzdvfy.ns101.verify.hn.

ns1.afternic.com and ns2.afternic.com both carry two IP addresses. The A records for ns1.afternic.com are 97.74.98.69 and 2603:5:2126::45; the A records for ns2.afternic.com are 173.201.66.69 and 2603:5:2226::45.