f13.tech - robtex.com

f13.tech

DNSSEC⚠️ Not signed
A3.210.136.219🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix
PTRec2-3-210-136-219.compute-1.amazonaws.com
NSns-822.awsdns-38.net ⭐
A2600:9000:5303:3600::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-822.awsdns-38.net
A205.251.195.54🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-822.awsdns-38.net
NSns-1165.awsdns-17.org
A2600:9000:5304:8d00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1165.awsdns-17.org
A205.251.196.141🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1165.awsdns-17.org
NSns-1963.awsdns-53.co.uk
A2600:9000:5307:ab00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1963.awsdns-53.co.uk
A205.251.199.171🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1963.awsdns-53.co.uk
NSns-21.awsdns-02.com
A2600:9000:5300:1500::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-21.awsdns-02.com
A205.251.192.21🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-21.awsdns-02.com
MXaspmx.l.google.com ⭐
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2607:f8b0:4023:2801::1b🇺🇸 Google2607:f8b0::/32
PTRlcausi-in-f27.1e100.net
A192.178.128.27🇺🇸 Google192.178.128.0/24
PTRlcausi-in-f27.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRyudfwta-in-f27.1e100.net
MXalt3.aspmx.l.google.com(10)
A2a00:1450:4009:c0f::1a🇬🇧 Google2a00:1450:4009::/48
PTRyulhrs-in-f26.1e100.net
A192.178.223.27🇺🇸 Google192.178.223.0/24
PTRyulhrs-in-f27.1e100.net
MXalt4.aspmx.l.google.com(10)
A2a00:1450:400c:c00::1a🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google173.194.76.0/24
PTRws-in-f27.1e100.net
TXTgoogle-site-verification=IOq7WmNQLY_FfJvWjyV3HxZRZIW12zV6QRxzKc7jlWk
TXTv=spf1 include:_spf.google.com ~all
SOAns-822.awsdns-38.netawsdns-hostmaster@amazon.com serial=1

tech

DNSSEC🔒 Signed (DS record present)
NSns01.trs-dns.com ⭐
NSns.trs-dns.com
NSns01.trs-dns.net
NSns10.trs-dns.info
NSns10.trs-dns.org
SOAns.trs-dns.comtrs-ops@tucows.com serial=1774463950

Subdomains

mail.f13.tech

Same first word

f13.eu
f13.nl
f13.com.br
f13.org
f13.de
f13.me
f13.ru
f13.it
f13.no
f13.in
f13.be
f13.com
f13.asia
f13.mobi
f13.online
f13.at
f13.pl
f13.tv
f13.tech
f13.cz
f13.us
f13.net
f13.biz

Similar names

13f.top
31f.cn
1f3.com
1f3.app
13f.io
f31.net
13f.site
f31.sg
13f.info
3f1.net
13f.ru
31f.nl
31f.de
13f.de
f31.cn
13f.cn
31f.mobi
f31.ru
31f.net
f31.com
13f.co
1f3.de
f31.de
13f.com
13f.pl
13f.org
3f1.de

DNS History

14 records (10 active, 4 former)

2020202120222023202420252026NSns-1165.awsdns-17.orgns-1963.awsdns-53.co.ukns-21.awsdns-02.comns-822.awsdns-38.netwns13.hostgator.inwns14.hostgator.inMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commail.f13.techA3.210.136.21996.125.162.224
●NSns-1165.awsdns-17.org2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●NSns-1963.awsdns-53.co.uk2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●NSns-21.awsdns-02.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●NSns-822.awsdns-38.net2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
○NSwns13.hostgator.in2019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 04:50:46
○ 2026-03-20 21:37:06
○ 2026-03-25 18:55:16
○NSwns14.hostgator.in2019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 04:50:46
○ 2026-03-20 21:37:06
○ 2026-03-25 18:55:16
●MXalt1.aspmx.l.google.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●MXalt2.aspmx.l.google.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●MXalt3.aspmx.l.google.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●MXalt4.aspmx.l.google.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
●MXaspmx.l.google.com2026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
○MXmail.f13.tech2019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 04:50:46
○ 2026-03-20 21:37:06
○ 2026-03-25 18:55:16
●A3.210.136.2192026-03-20 → 2026-03-25 · 3 obs
○ 2019-12-23 04:50:46
● 2026-03-20 21:37:06
● 2026-03-25 18:55:16
○A96.125.162.2242019-12-23 → 2019-12-23 · 3 obs
● 2019-12-23 04:50:46
○ 2026-03-20 21:37:06
○ 2026-03-25 18:55:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
techns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info8 records
f13.techns-21.awsdns-02.com, ns-822.awsdns-38.net, ns-1165.awsdns-17.org, ns-1963.awsdns-53.co.uk-

✅ Authoritative Response

Server:205.251.195.54

NS records: ns-21.awsdns-02.com, ns-822.awsdns-38.net, ns-1165.awsdns-17.org, ns-1963.awsdns-53.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f13.tech (unsigned zone)

⏱️ Timing

Total: 528ms | Queries: -

📄 Records

TypeCountSample Data
A13.210.136.219
NS4ns-1165.awsdns-17.org, ns-1963.awsdns-53.co.uk...
MX5aspmx.l.google.com (pri: 1), alt3.aspmx.l.google.com (pri: 10)...
TXT2google-site-verification=IOq7WmNQLY_FfJv, v=spf1 include:_spf.google.com ~all
SOA1ns-822.awsdns-38.net awsdns-hostmaster.a

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.com, ns01.trs-dns.net...)

Analysis

Hierarchy

The parent of mail.f13.tech is f13.tech.

IP Addresses

f13.tech points to IP number: 3.210.136.219.

Other host names, for instance ec2-3-210-136-219.compute-1.amazonaws.com share IP numbers with f13.tech.

Name Servers

f13.tech is delegated to four name servers: ns-21.awsdns-02.com, ns-822.awsdns-38.net, ns-1165.awsdns-17.org and ns-1963.awsdns-53.co.uk.

f13.tech at least partially shares name servers with other domains, for instance golfersland.net, scottlogistics.com, wordswing.com, gestioncourtemanche.ca and checklines.net.

these name servers are often used in conjunction with the name servers ns-1113.awsdns-11.org.

Host names with two IP numbers: ns-21.awsdns-02.com points to 2600:9000:5300:1500::1 and 205.251.192.21; ns-822.awsdns-38.net points to 2600:9000:5303:3600::1 and 205.251.195.54; ns-1165.awsdns-17.org points to 2600:9000:5304:8d00::1 and 205.251.196.141; ns-1963.awsdns-53.co.uk points to 2600:9000:5307:ab00::1 and 205.251.199.171.

Mail Servers

Five mail servers handle f13.tech: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

f13.tech shares at least partially some mail servers with other domains, including kabbyplus.com, orumanam.com, mixedfreemasonry.org, chatrise.com and obichinhodosaber.com.

these mail servers are often used together with aspmx2.googlemail.com, aspmx3.googlemail.com and aspmx4.googlemail.com.

Host names with two IP numbers

aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27

alt1.aspmx.l.google.com points to 2607:f8b0:4023:2801::1b and 192.178.128.27

alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.27

alt3.aspmx.l.google.com points to 2a00:1450:4009:c0f::1a and 192.178.223.27

alt4.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

Names pointing to 2a00:1450:4009:c0f::1a: aspmx.l.google.com and alt3.aspmx.l.google.com

Names pointing to 192.178.223.27: aspmx.l.google.com and alt3.aspmx.l.google.com