fullduplex.dk

📜 Historical scan 2026-09-22 11:01:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fullduplex.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.210.72.62 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 37ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
80.210.72.62	43200s	x50d2483e.customers.hiper-net.dk	AS203953	Hiper A/S	80.210.64.0/20	🇩🇰 Denmark	Rødovre Municipality

📧 MX Records#

7 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	173.194.222.26 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b	lo-in-f26.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx4.googlemail.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	server.twm.dk → 185.181.222.72
🔶 Autoconfig	server.twm.dk → 185.181.222.72

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 156ms

TXT Record
v=spf1 a mx include:_spf.google.com ~all

✉️ SPF#

Policy	Record (fullduplex.dk)
~all (soft fail)	v=spf1 a mx include:_spf.google.com ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 05:09:36

www CNAME	server.twm.dk (all on twm.dk) → 185.181.222.72 (AS203953)
www vs bare domain	Same network fullduplex.dk: 80.210.72.62 (AS203953) www.fullduplex.dk: 185.181.222.72 (AS203953)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.fullduplex.dk	server.twm.dk

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

104ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026092001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-19 16:50:05

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2003-01-08
Expires	2027-01-31 (103d)

🔗 Same registrant#

18 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
billigtkoerekort.dk	Punktum dk A/S (direct)
billigtkørekort.dk	Punktum dk A/S (direct)
bportal.dk	Punktum dk A/S (direct)
danskekrondyr.dk	Punktum dk A/S (direct)
dest.dk	Punktum dk A/S (direct)
elinasofie.dk	Punktum dk A/S (direct)
gyldenstensvaenge.dk	Punktum dk A/S (direct)
it-eng.dk	Punktum dk A/S (direct)
klagdinsag.dk	Punktum dk A/S (direct)
koerekortguiden.dk	Punktum dk A/S (direct)
kørekortguiden.dk	Punktum dk A/S (direct)
marbaekhaven.dk	Punktum dk A/S (direct)
sikkerlogin.dk	Punktum dk A/S (direct)
speedmeasure.dk	Punktum dk A/S (direct)
twm.dk	Punktum dk A/S (direct)
vragguiden.dk	Punktum dk A/S (direct)
wimey.dk	Punktum dk A/S (direct)
ørnestensvænge.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

37ms

30ms

AAAA

31ms

TXT

156ms

CAA

39ms

HTTPS

27ms

TLSA

263ms

SOA

0ms

MTA-STS

68ms

DNSSEC

104ms

SRV

55ms

Total

1215ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 12:13:34	1215ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-26 19:58:55	817ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-22 11:01:35 shown	1215ms	2 NS 1 A 7 MX	🔒 Secure
2026-09-01 01:24:25	1289ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-27 18:52:36	991ms	2 NS 1 A 7 MX	🔒 Secure
2026-08-26 13:09:47	1091ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-19 15:24:58	757ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-19 02:09:29	1234ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-17 10:32:09	2967ms	2 NS 1 A 7 MX	🔒 Secure
2026-06-17 10:25:23	1078ms	2 NS 1 A 7 MX	🔒 Secure