fiberkysten.dk

Records from scan: 2026-10-12 18:54:23 · 1031ms total · last checked 2026-10-17 02:39 (unchanged)

⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 28ms

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 34ms

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 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fiberkysten-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09::28 2a01:111:f403:ca48::10 2a01:111:f403:ca48::e 52.101.103.140 52.101.185.114 52.101.68.21 52.101.73.155	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr03cu00206.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-zrxpr04cu00102.inbound.protection.outlook.com mail-db4pr02cu00205.inbound.protection.outlook.com mail-am7pr02cu00203.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 164ms

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#

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#

59ms

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

🏷️ SOA#

35ms

Field	Value
Serial	2026101101
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#

28ms

34ms

28ms

AAAA

39ms

TXT

164ms

CAA

36ms

HTTPS

38ms

TLSA

622ms

SOA

35ms

MTA-STS

56ms

DNSSEC

59ms

SRV

56ms

Total

1031ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 18:54:23 shown	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	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