21headsup.com - robtex.com

21headsup.com

DNSSEC🔒 Signed (DS record present)
A62.116.130.8🇩🇪 INTERNETX-AS62.116.128.0/19 INTERNETX-MUC-2
PTRredirect.domain-robot.org
NSdns01.dipcon.com ⭐
A2a00:801:fb:253::4🇸🇪 SWIPNET2a00:800::/25 Tele2 IPv6 block In case of improper use originating from our network, please mail or
PTRdns01.dipcon.com
A193.14.90.50🇸🇪 SWIPNET193.12.0.0/14 In case of improper use originating from our network, please mail customer or
PTRdns01.dipcon.com
NSdns02.ports.se
A2001:19f0:5001:2a:5400:ff:fe38:1e6f🇳🇱 AS-VULTR2001:19f0:5000::/38 Vultr Assigned Prefix
PTRdns02.ports.se
A45.63.42.179🇳🇱 AS-VULTR45.63.40.0/22 Vultr Assigned Prefix
PTRdns02.ports.se
NSdns03.ports.se
A2a04:3540:1000:310:287e:f6ff:fe1d:4789🇫🇮 UPCLOUD2a04:3540::/32 -FI-HEL1-IPV6
PTRdns03.ports.se
A94.237.33.102🇫🇮 UPCLOUD94.237.32.0/21 -FI-HEL1-NET4
PTRdns03.ports.se
NSdns04.ports.net
A2a03:f80:ed15:158:255:211:116:1🇦🇹 EDIS-AS-EU2a03:f80:ed15::/48 EDIS GmbH IPv6 Range 1
PTRdns04.ports.net
A158.255.211.116🇦🇹 EDIS-AS-EU158.255.211.0/24 PA-SLASH24-SPACE12-ROUTEAS57169
PTRdns04.ports.net
MXaspmx.l.google.com ⭐
A2607:f8b0:4023:c06::1a🇺🇸 Google2607:f8b0::/32
PTRdz-in-f26.1e100.net
A142.250.101.27🇺🇸 Google142.250.101.0/24
PTRdz-in-f27.1e100.net
MXalt1.aspmx.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.27🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f27.1e100.net
MXalt2.aspmx.google.com(5)
A2a00:1450:400b:c02::1b🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f27.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXaspmx3.googlemail.com(10)
A2a00:1450:400b:c02::1a🇮🇪 Google2a00:1450:400b::/48
PTRdj-in-f26.1e100.net
A172.253.116.27🇺🇸 Google172.253.116.0/24
PTRdj-in-f27.1e100.net
MXaspmx4.googlemail.com(10)
A2607:f8b0:4023:3003::1a🇺🇸 Google2607:f8b0::/32
PTRyulnkjt-in-f26.1e100.net
A172.253.145.27🇺🇸 Google172.253.145.0/24
PTRyulnkjt-in-f27.1e100.net
MXaspmx5.googlemail.com(10)
A2a00:1450:400c:c00::1b🇧🇪 Google2a00:1450:400c::/48
PTRws-in-f27.1e100.net
PTRws-in-x1b.1e100.net
A173.194.76.26🇺🇸 Google173.194.76.0/24
PTRws-in-f26.1e100.net
TXT876928e697d146dd8ff4cba28392b8b8
TXTv=spf1 -all
TXTgoogle-site-verification=VlkQrRTT4XUbDbZBsaYK5P1MhncDw2Q-oYQMxoPGPrs
SOAdns01.dipcon.comregistry@ports.net 2026-03-08 #0

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=1774363897

Same first word

21headsup.com

DNS History

18 records (12 active, 6 former)

2017201820192020202120222023202420252026NSdns01.dipcon.comdns02.ports.sedns03.ports.sedns04.ports.neta.ns14.netb.ns14.netc.ns14.netd.ns14.netMXalt1.aspmx.google.comalt2.aspmx.google.comaspmx.l.google.comaspmx2.googlemail.comaspmx3.googlemail.comaspmx4.googlemail.comaspmx5.googlemail.comA62.116.130.8193.235.230.2362.116.169.212
○NSa.ns14.net2016-12-16 → 2017-10-04 · 4 obs
● 2016-12-16 05:13:16
● 2017-10-04 21:08:38
○ 2026-02-24 06:40:34
○ 2026-03-24 15:02:42
○NSb.ns14.net2016-12-16 → 2017-10-04 · 4 obs
● 2016-12-16 05:13:16
● 2017-10-04 21:08:38
○ 2026-02-24 06:40:34
○ 2026-03-24 15:02:42
○NSc.ns14.net2016-12-16 → 2017-10-04 · 4 obs
● 2016-12-16 05:13:16
● 2017-10-04 21:08:38
○ 2026-02-24 06:40:34
○ 2026-03-24 15:02:42
○NSd.ns14.net2016-12-16 → 2017-10-04 · 4 obs
● 2016-12-16 05:13:16
● 2017-10-04 21:08:38
○ 2026-02-24 06:40:34
○ 2026-03-24 15:02:42
●NSdns01.dipcon.com2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-04 21:08:38
● 2026-02-24 06:40:34
● 2026-03-24 15:02:42
●NSdns02.ports.se2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-04 21:08:38
● 2026-02-24 06:40:34
● 2026-03-24 15:02:42
●NSdns03.ports.se2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-04 21:08:38
● 2026-02-24 06:40:34
● 2026-03-24 15:02:42
●NSdns04.ports.net2026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-04 21:08:38
● 2026-02-24 06:40:34
● 2026-03-24 15:02:42
●MXalt1.aspmx.google.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXalt2.aspmx.google.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXaspmx.l.google.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXaspmx2.googlemail.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXaspmx3.googlemail.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXaspmx4.googlemail.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
●MXaspmx5.googlemail.com2016-12-16 → 2026-03-24 · 2 obs
● 2016-12-16 05:13:16
● 2026-03-24 15:02:42
○A193.235.230.232017-10-04 → 2017-10-04 · 4 obs
○ 2016-12-16 05:13:16
● 2017-10-04 21:08:38
○ 2026-02-24 06:40:34
○ 2026-03-24 15:02:42
●A62.116.130.82026-02-24 → 2026-03-24 · 3 obs
○ 2017-10-04 21:08:38
● 2026-02-24 06:40:34
● 2026-03-24 15:02:42
○A62.116.169.2122016-12-16 → 2016-12-16 · 3 obs
● 2016-12-16 05:13:16
○ 2017-10-04 21:08:38
○ 2026-03-24 15:02:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
21headsup.comdns01.dipcon.com, dns03.ports.se, dns04.ports.net, dns02.ports.se2 records

✅ Authoritative Response

Server:158.255.211.116

NS records: dns01.dipcon.com, dns03.ports.se, dns04.ports.net, dns02.ports.se

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1160ms | Queries: -

📄 Records

TypeCountSample Data
A162.116.130.8
NS4dns02.ports.se, dns01.dipcon.com...
MX7ALT2.ASPMX.GOOGLE.COM (pri: 5), ASPMX4.GOOGLEMAIL.COM (pri: 10)...
TXT3v=spf1 -all, google-site-verification=VlkQrRTT4XUbDbZ...
SOA1dns01.dipcon.com registry.ports.net

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns01.dipcon.com, dns01.dipcon.com)

Analysis

IP Addresses

21headsup.com points to a single IP: 62.116.130.8.

Other host names, for instance sigridmarkl.com, fitting.be, klebe.org, oel-dueren.de and mediaplus-group.at share IP numbers with 21headsup.com.

Name Servers

21headsup.com is delegated to four name servers: dns01.dipcon.com, dns04.ports.net, dns02.ports.se and dns03.ports.se.

21headsup.com at least partially shares its name servers with other domains, for instance shtours.fi, onsalaherrgard.se, alfarelocation.se, snusboden.se and bostongrill.com.

Host names with two IPs: dns01.dipcon.com points to 2a00:801:fb:253::4 and 193.14.90.50; dns04.ports.net points to 2a03:f80:ed15:158:255:211:116:1 and 158.255.211.116; dns02.ports.se points to 2001:19f0:5001:2a:5400:ff:fe38:1e6f and 45.63.42.179; dns03.ports.se points to 2a04:3540:1000:310:287e:f6ff:fe1d:4789 and 94.237.33.102.

Mail Servers

21headsup.com is handled by seven mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com, aspmx5.googlemail.com, alt1.aspmx.google.com, alt2.aspmx.google.com and aspmx.l.google.com.

21headsup.com shares some mail servers with other domains, including bdpart.eu, g2management.com, scholarsasia.com, vidakovics.hu and cgmetalfab.com.

These mail servers are often used together with alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, alt4.aspmx.google.com, alt3.aspmx.google.com and aspmx.google.com.

Host names with two IP numbers

The host name aspmx2.googlemail.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.26.

The host name aspmx3.googlemail.com points to: 2a00:1450:400b:c02::1a and 172.253.116.27.

The host name aspmx4.googlemail.com points to: 2607:f8b0:4023:3003::1a and 172.253.145.27.

The host name aspmx5.googlemail.com points to: 2a00:1450:400c:c00::1b and 173.194.76.26.

The host name alt1.aspmx.google.com points to: 2800:3f0:4003:c0f::1b and 108.177.123.27.

The host name alt2.aspmx.google.com points to: 2a00:1450:400b:c02::1b and 172.253.116.27.

The host name aspmx.l.google.com points to: 2607:f8b0:4023:c06::1a and 142.250.101.27.

Host names that point to 2800:3f0:4003:c0f::1b: aspmx2.googlemail.com and alt1.aspmx.google.com.

Host names that point to 172.253.116.27: aspmx3.googlemail.com and alt2.aspmx.google.com.