fiberkysten.dk DNS records

🖥️ Nameservers2 records 212ms

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 Records1 records 228ms

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 Records1 records 237ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fiberkysten-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::6 2a01:111:f403:ca04::d 2a01:111:f403:ca09::f 52.101.73.153 52.101.73.16 52.101.73.22 52.101.73.30	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db4pr02cu00406.inbound.protection.outlook.com mail-db6pr03cu00105.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-as8pr05cu00401.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am7pr05cu00306.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 Records2 records 705ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC590ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081101
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

212ms

A

228ms

MX

237ms

AAAA

218ms

TXT

705ms

CAA

238ms

HTTPS

252ms

TLSA

381ms

SOA

0ms

MTA-STS

438ms

DNSSEC

590ms

SRV

303ms

Total

4571ms

🕐 Scan History

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