gpio.dk

📜 Historical scan 2026-06-20 09:53:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gpio.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 September 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.51.76.183 is hosted by Din Server Group ApS (AS215052) in Denmark. Mail is handled by mail.gpio.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 41ms

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 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.51.76.183	43200s	multitrading.dk	AS215052	Din Server Group ApS	185.51.76.0/24	🇩🇰 Denmark	Albertslund

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.gpio.dk	109.57.195.12	109.57.195.12.mobile.3.dk	AS44034 Hi3G Access AB

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	gpio.dk → 185.51.76.183
🔶 Autoconfig	gpio.dk → 185.51.76.183

🔷 AAAA Records (IPv6)#

1 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a12:bec4:11d3:cbf9::1	43200s	—	AS215052	Din Server Group ApS	2a12:bec4:11d0:0:0:0:0:0/46	🇩🇰 Denmark	Albertslund

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 258ms

TXT Record
v=spf1 mx a a:gpio.dk ip4:109.57.195.12 ~all

✉️ SPF#

Policy	Record (gpio.dk)
~all (soft fail)	v=spf1 mx a a:gpio.dk ip4:109.57.195.12 ~all

📨 DMARC#

Policy	Record (_dmarc.gpio.dk)
p=reject	v=DMARC1; p=reject; fo=s; aspf=r

📬 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 2026-10-16 04:12:35

www CNAME	gpio.dk (all on gpio.dk) → 185.51.76.183 (AS215052)
www vs bare domain	Same network gpio.dk: 185.51.76.183 (AS215052) www.gpio.dk: 185.51.76.183 (AS215052)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.gpio.dk	gpio.dk

🔗 TLSA / DANE#

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

🔐 DNSSEC#

63ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2026032501
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 2026-10-16 04:42:41

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2012-09-12
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

38ms

39ms

AAAA

41ms

TXT

258ms

CAA

48ms

HTTPS

35ms

TLSA

306ms

SOA

37ms

MTA-STS

47ms

DNSSEC

63ms

SRV

141ms

Total

905ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 04:12:35	1747ms	5 NS 1 A 0 MX	🔓 Insecure
2026-10-15 01:55:59	101ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-14 01:46:20	242ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-13 00:22:20	233ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-11 23:00:23	213ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-10 22:10:00	370ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-09 16:13:00	210ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-08 12:54:02	934ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-07 12:44:35	508ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-06 05:06:11	485ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-05 05:00:54	217ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-04 04:49:27	182ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-03 04:49:05	388ms	1 NS 0 A 0 MX	❓ Unknown
2026-10-02 04:46:55	758ms	1 NS 0 A 0 MX	❓ Unknown
2026-09-30 04:37:20	1017ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-24 02:32:27	930ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-25 07:09:57	5098ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 03:54:41	4909ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 09:53:18 shown	905ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-20 07:33:47	1448ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 09:37:18	798ms	2 NS 1 A 1 MX	🔒 Secure