i80.dk

📜 Historical scan 2026-10-11 16:12:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

i80.dk is a .dk domain served by 2 nameservers (ns1.i80.dk, ns2.i80.dk). It was registered on 18 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.104.155 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.i80.dk, smtp.i80.dk and 1 more. The zone is DNSSEC-signed and validates, publishes a 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 47ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.i80.dk	87.52.104.155	0x5734689b.static.cust.fastspeed.dk	AS3292 TDC Holding A/S
ns2.i80.dk	172.104.249.208	172-104-249-208.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

🌍 A Records#

1 records 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.52.104.155	300s	0x5734689b.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Copenhagen

📧 MX Records#

3 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	mail.i80.dk	87.52.104.155	0x5734689b.static.cust.fastspeed.dk	AS3292 TDC Holding A/S
20	3600s	smtp.i80.dk	87.52.104.155	0x5734689b.static.cust.fastspeed.dk	AS3292 TDC Holding A/S
90	3600s	ms.i80.dk	139.162.159.140	139-162-159-140.ip.linodeusercontent.com	AS63949 Akamai Connected Cloud

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	87.52.104.155
🔶 Autoconfig	87.52.104.155

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 400ms

TXT Record
v=spf1 mx a ip4:87.52.104.155/32 ip4:139.162.159.140/32 -all

✉️ SPF#

Policy	Record (i80.dk)
-all (hard fail)	v=spf1 mx a ip4:87.52.104.155/32 ip4:139.162.159.140/32 -all

📨 DMARC#

Policy	Record (_dmarc.i80.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@i80.dk; ruf=mailto:dmarc@i80.dk; pct=100; aspf=r; adkim=r

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

1 records 49ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 20:47:38

www CNAME	i80.dk (all on i80.dk) → 87.52.104.155 (AS3292)
www vs bare domain	Same network i80.dk: 87.52.104.155 (AS3292) www.i80.dk: 87.52.104.155 (AS3292)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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

🏷️ SOA#

47ms

Field	Value
Serial	2026100802
Primary NS (MNAME)	ns1.i80.dk
Responsible (RNAME)	hjess@i80.dk
Refresh	14400s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 16:36:42

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-12-18
Expires	2026-12-31 (75d)

🔗 Same registrant#

2 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
kontakto.dk	DANDOMAIN A/S
nordbytes.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

47ms

55ms

50ms

AAAA

57ms

TXT

400ms

CAA

49ms

HTTPS

70ms

TLSA

123ms

SOA

47ms

MTA-STS

95ms

DNSSEC

68ms

SRV

126ms

Total

924ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-15 20:47:38	1672ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-11 16:12:52 shown	924ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-08 08:47:46	1434ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-04 07:17:29	715ms	2 NS 1 A 3 MX	🔒 Secure
2026-10-02 07:15:05	3786ms	2 NS 1 A 3 MX	🔒 Secure
2026-09-29 06:54:22	1416ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-15 20:56:15	3021ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-28 02:14:15	1003ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-24 01:02:14	8798ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-21 20:22:03	6148ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-09 06:01:52	1280ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-06 12:42:24	6948ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-25 15:40:25	12206ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-23 12:45:54	13332ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-17 15:31:29	8874ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-11 11:25:06	8940ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-03 16:20:28	987ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-01 01:03:26	945ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-26 05:26:25	778ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-17 13:01:28	813ms	2 NS 1 A 3 MX	🔓 Insecure