fullduplex.dk - dns.ninja

`fullduplex.dk`

DNSSEC	🔒 Signed (DS record present)
A	80.210.72.62^{🇩🇰 Hiper80.210.64.0/20}
		PTR	`x50d2483e.customers.hiper-net.dk`
NS	`ns01.one.com` ⭐
		A	2001:67c:28cc::10^{ONECOM-INFRA2001:67c:28cc::/48}
			PTR	`ns01.one.com`
		A	195.206.121.10^{ONECOM-INFRA195.206.121.0/24}
			PTR	`ns01.one.com`
NS	`ns02.one.com`
		A	2001:67c:3c0::10^{🇩🇰 ONECOM2001:67c:3c0::/48}
			PTR	`ns02.one.com`
		A	185.10.11.10^{ONECOM185.10.11.0/24}
			PTR	`ns02.one.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	172.253.115.26^{🇺🇸 Google172.253.115.0/24}
			PTR	`bg-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c14::1a^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.26^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx2.googlemail.com`⁽¹⁰⁾
		A	2800:3f0:4003:c14::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	192.178.234.27^{🇺🇸 Google192.178.0.0/15}
			PTR	`ncsclj-in-f27.1e100.net`
MX	`aspmx3.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`aspmx4.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`aspmx5.googlemail.com`⁽¹⁰⁾
		A	2a00:1450:400c:c23::1a^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`yubrupd-in-f26.1e100.net`
		A	172.253.157.26^{🇺🇸 Google172.253.0.0/16}
			PTR	`yubrupd-in-f26.1e100.net`
TXT	`v=spf1 a mx include:_spf.google.com ~all`
SOA	`ns01.one.com`hostmaster@one.com 2026-03-24 #1

`dk`

	DNSSEC	🔒 Signed (DS record present)
	NS	`b.nic.dk` ⭐
	NS	`c.nic.dk`
	NS	`h.nic.dk`
	NS	`l.nic.dk`
	NS	`s.nic.dk`
	NS	`t.nic.dk`
	TXT	`DK zone updateEpoch 1786699980localtime Fri Aug 14 11:33:00 2026gmtime Fri Au...`
	SOA	`b.nic.dk`tech@punktum.dk serial=1786700160

Same first word

fullduplex.org

fullduplex.dk

fullduplex.ru

fullduplex.com

DNS History

17 records (10 active, 7 former)

●NSns01.one.com2026-03-22 → 2026-08-14 · 3 obs

○ 2017-11-28 03:21:36
● 2026-03-22 01:21:12
● 2026-08-14 09:37:24

●NSns02.one.com2026-03-22 → 2026-08-14 · 3 obs

○ 2017-11-28 03:21:36
● 2026-03-22 01:21:12
● 2026-08-14 09:37:24

○NSns1.gratisdns.dk2015-06-17 → 2017-11-28 · 4 obs

● 2015-06-17 14:22:24
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

○NSns2.gratisdns.dk2015-06-17 → 2017-11-28 · 4 obs

● 2015-06-17 14:22:24
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

○NSns3.gratisdns.dk2015-06-17 → 2017-11-28 · 4 obs

● 2015-06-17 14:22:24
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

○NSns4.gratisdns.dk2015-06-17 → 2017-11-28 · 4 obs

● 2015-06-17 14:22:24
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

○NSns5.gratisdns.dk2015-06-17 → 2017-11-28 · 4 obs

● 2015-06-17 14:22:24
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

●MXalt1.aspmx.l.google.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXalt2.aspmx.l.google.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXaspmx.l.google.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXaspmx2.googlemail.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXaspmx3.googlemail.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXaspmx4.googlemail.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●MXaspmx5.googlemail.com2015-06-17 → 2026-08-14 · 2 obs

● 2015-06-17 14:22:24
● 2026-08-14 09:37:24

●A80.210.72.622026-03-22 → 2026-08-14 · 3 obs

○ 2017-11-28 03:21:36
● 2026-03-22 01:21:12
● 2026-08-14 09:37:24

○A83.93.11.1722015-06-17 → 2016-12-03 · 4 obs

● 2015-06-17 14:22:24
● 2016-12-03 10:13:28
○ 2017-11-28 03:21:36
○ 2026-08-14 09:37:24

○A83.93.8.212017-11-28 → 2017-11-28 · 4 obs

○ 2016-12-03 10:13:28
● 2017-11-28 03:21:36
○ 2026-03-22 01:21:12
○ 2026-08-14 09:37:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dk	b.nic.dk, c.nic.dk, h.nic.dk, l.nic.dk...	-
fullduplex.dk	ns01.one.com, ns02.one.com	-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 880ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`80.210.72.62`
NS	2	`ns02.one.com, ns01.one.com`
MX	7	`aspmx4.googlemail.com (pri: 10), aspmx2.googlemail.com (pri: 10)...`
TXT	1	`v=spf1 a mx include:_spf.google.com ~all`
SOA	1	`ns01.one.com hostmaster.one.com`

Analysis

IP Addresses

fullduplex.dk directs to one IP number, which is 80.210.72.62.

Among the host names that share IP numbers with fullduplex.dk are it-eng.dk, dest.dk, x50d2483e.customers.hiper-net.dk and two others.

Name Servers

fullduplex.dk is delegated to two name servers: ns01.one.com and ns02.one.com.

fullduplex.dk has the same name server delegation as a number of other domains, such as modulex.co.uk, lb-networks.com, inside-out-coaching.be and two more.

ns01.one.com and ns02.one.com each resolve to two IP addresses: ns01.one.com points to 195.206.121.10 and 2001:67c:28cc::10, while ns02.one.com points to 185.10.11.10 and 2001:67c:3c0::10.

Mail Servers

fullduplex.dk accepts email via 7 mail servers: aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx4.googlemail.com and 4 other.

fullduplex.dk shares at least some of its mail servers with other domains — for example genes112.com, amp-s.de, ns500759.ns500758.ns500698.ns500698.ns500735.ns500698.ns500735.ns500735.ns500736.ns500735.ns500619.ns500652.ns500576.trackreceptor.com and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 3 more.

Hosts with two IP numbers each:

aspmx2.googlemail.com points to 192.178.234.27 and 2800:3f0:4003:c14::1b.

aspmx3.googlemail.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx4.googlemail.com points to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

aspmx5.googlemail.com points to 172.253.157.26 and 2a00:1450:400c:c23::1a.

aspmx.l.google.com points to 172.253.115.26 and 2607:f8b0:4004:c0b::1a.

alt1.aspmx.l.google.com points to 192.178.234.26 and 2800:3f0:4003:c14::1a.

alt2.aspmx.l.google.com points to 172.253.116.26 and 2a00:1450:400b:c02::1a.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 2a00:1450:400b:c02::1a IP addresses.

aspmx3.googlemail.com and alt2.aspmx.l.google.com are host names that each point to 172.253.116.26 IP addresses.