mail.smtp-builder.com - robtex.com

mail.smtp-builder.com

DNSSEC⚠️ Not signed
A2600:3c07::f03c:95ff:febf:c56b🇫🇷 AKAMAI-LINODE-AP2600:3c07::/32 Akamai Technologies
PTRmail.smtp-builder.com
A172.234.56.160🇫🇷 AKAMAI-LINODE-AP172.234.56.0/21 Akamai Technologies

smtp-builder.com

DNSSEC⚠️ Not signed
A2600:3c07::f03c:95ff:febf:c56b🇫🇷 AKAMAI-LINODE-AP2600:3c07::/32 Akamai Technologies
A172.234.56.160🇫🇷 AKAMAI-LINODE-AP172.234.56.0/21 Akamai Technologies
NSns1099.ui-dns.biz ⭐
NSns1056.ui-dns.org
NSns1081.ui-dns.com
NSns1083.ui-dns.de
MXmail.smtp-builder.com ⭐
TXTv=spf1 mx ~all
TXT99010da21d71746059831ce5224d73306cf31ed6
TXTgoogle-site-verification=jUrz_Uf5OhV8iwPiTgxzUxBgmFTFXcm5eHHPazyqSqg
SOAns1099.ui-dns.bizhostmaster@1und1.com 2017-06-01 #34

PTR for

b.6.5.c.f.b.e.f.f.f.5.9.c.3.0.f.0.0.0.0.0.0.0.0.7.0.c.3.0.0.6.2.ip6.arpa
f.3.0.e.0.8.e.f.f.f.3.9.c.3.0.f.0.0.0.0.0.0.0.0.0.0.e.7.1.0.a.2.ip6.arpa

MX for

smtp-builder.com

Same first word

mail.no-ip.net
mail.mn
mail.mydns.bz
mail.fem.jp
mail.health
mail.s3.amazonaws.com
mail.gov.ye
mail.com.kg
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mail.associates
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mail.myfast.space
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mail.ky
mail.synology-diskstation.de
mail.schoolbus.jp
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mail.uz.ua
mail.cool
mail.uk
mail.ru.com
mail.littlestar.jp
mail.com.se
mail.gov.ao
mail.me
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mail.gov.ru
mail.pr
mail.mlbfan.org
mail.ph
mail.nhlfan.net
mail.gru.br
mail.gl
mail.link

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DNS History

2 records (2 active, 0 former)

A172.234.56.1602600:3c07::f03c:95ff:febf:c56b
●A172.234.56.1602026-02-15 → 2026-07-28 · 2 obs
● 2026-02-15 12:03:02
● 2026-07-28 01:14:38
●A2600:3c07::f03c:95ff:febf:c56b2026-02-15 → 2026-07-28 · 2 obs
● 2026-02-15 12:03:02
● 2026-07-28 01:14:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
smtp-builder.comns1099.ui-dns.biz, ns1056.ui-dns.org, ns1083.ui-dns.de, ns1081.ui-dns.com2 records

✅ Authoritative Response

Server:185.132.32.83

NS records: ns1099.ui-dns.biz, ns1056.ui-dns.org, ns1083.ui-dns.de, ns1081.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smtp-builder.com (unsigned zone)

⏱️ Timing

Total: 1057ms | Queries: -

📄 Records

TypeCountSample Data
A1172.234.56.160
AAAA12600:3c07::f03c:95ff:febf:c56b

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1081.ui-dns.com, ns1081.ui-dns.com)

Analysis

Mail Server Role

mail.smtp-builder.com serves as a mail server for smtp-builder.com.

IP Addresses

mail.smtp-builder.com resolves to the IP addresses 172.234.56.160 and 2600:3c07::f03c:95ff:febf:c56b

smtp-builder.com, ultimate-mailer.com and 172-234-56-160.ip.linodeusercontent.com are examples of other host names that share IP numbers with mail.smtp-builder.com.