fiberkysten.dk

📜 Historical scan 2026-09-11 05:06:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

fiberkysten.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 June 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.19 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by fiberkysten-dk.mail.protection.outlook.com. 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 44ms

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 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.19	3600s	linux12.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records#

1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fiberkysten-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::e 2a01:111:f403:ca09::a 2a01:111:f403:ca48::8 52.101.103.137 52.101.68.18 52.101.68.25 52.101.73.126	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.21.40.19
🔶 Autoconfig	185.21.40.19

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 202ms

TXT Record
MS=ms54678346
v=spf1 include:nordkysten.dk -all

✉️ SPF#

Policy	Record (fiberkysten.dk)
-all (hard fail)	v=spf1 include:nordkysten.dk -all

📨 DMARC#

Policy	Record (_dmarc.fiberkysten.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:jtdc3zwt@ag.eu.dmarcian.com; ruf=mailto:jtdc3zwt@fr.eu.dmarcian.com;

📬 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 2026-10-12 18:54:23

www	185.21.40.19 (AS48854) (address records, no CNAME)
www vs bare domain	Same network fiberkysten.dk: 185.21.40.19 (AS48854) www.fiberkysten.dk: 185.21.40.19 (AS48854)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
selector1	selector1-fiberkysten-dk._domainkey.nordkysten.onmicrosoft.com	RSA · ~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: 10/10 · policy: -all

warn 10 of the 10 allowed DNS lookups used: one more include can break SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

131ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
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 2026-10-12 19:06:22

Field	Value
Registrar	ONE.COM A/S
Registered	2019-06-13
Expires	2027-06-30 (256d)

🔗 Same registrant#

4 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
al-kloak.dk	ONE.COM A/S
nordkysten.dk	ONE.COM A/S
strømpeforing.dk	ONE.COM A/S
vvsnk.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

44ms

41ms

51ms

AAAA

58ms

TXT

202ms

CAA

59ms

HTTPS

59ms

TLSA

865ms

SOA

0ms

MTA-STS

75ms

DNSSEC

131ms

SRV

238ms

Total

1755ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:54:23	1031ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 09:23:43	713ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-11 05:06:18 shown	1755ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-11 22:13:59	4571ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-18 09:44:40	1611ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-12 16:42:43	1292ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:14:49	2653ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:03:09	1648ms	2 NS 1 A 1 MX	🔒 Secure