fiberlan.dk DNS records

🖥️ Nameservers2 records 25ms

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 29ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.21.40.246	3600s	linux5.curanet.dk	AS48854	team.blue Denmark A/S	185.21.40.0/22	🇩🇰 Denmark	—

📧 MX Records1 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fiberlan-dk.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca04::e 2a01:111:f403:ca09::9 2a01:111:f403:ca09::d 52.101.181.153 52.101.68.0 52.101.68.39 52.101.73.153	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db7pr03cu00607.inbound.protection.outlook.com mail-as8pr05cu00401.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	autodiscover.outlook.com → 40.104.116.24
🔶 Autoconfig	185.21.40.246

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 67ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records5 records 130ms

TXT Record
apple-domain-verification=MnS5w73cGwvOoms9
google-site-verification=fy8CMH84LxcQa3-c9xcW44DAYnW48U704xHWVV_0e9w
google-site-verification=KGYg29pjvIwucSTH1464sPXlK9ogzjl11kcCvt5tXP8
MS=ms24632980
v=spf1 ip4:85.27.199.79 ip4:49.12.102.67 ip4:212.130.93.160 ip4:212.130.93.191 ip4:212.130.93.100 include:spf.protection.outlook.com include:_spf.google.com include:spf-eu.emailsignatures365.com include:spf.dandomain.dk include:sendgrid.net -all

✉️ SPF

Policy	Record (fiberlan.dk)
-all (hard fail)	v=spf1 ip4:85.27.199.79 ip4:49.12.102.67 ip4:212.130.93.160 ip4:212.130.93.191 ip4:212.130.93.100 include:spf.protection.outlook.com include:_spf.google.com include:spf-eu.emailsignatures365.com include:spf.dandomain.dk include:sendgrid.net -all

📨 DMARC

Policy	Record (_dmarc.fiberlan.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:itdrift@fiberlan.dk; ruf=mailto:itdrift@fiberlan.dk; pct=100;

📬 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
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

25ms

A

29ms

MX

30ms

AAAA

31ms

TXT

130ms

CAA

38ms

HTTPS

22ms

TLSA

360ms

SOA

0ms

MTA-STS

39ms

DNSSEC

96ms

SRV

67ms

Total

878ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 18:33:01	878ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 16:41:47	885ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-17 13:55:38	5784ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 14:25:08	1267ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-14 19:46:00	1154ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-03 14:04:31	1137ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-30 20:08:47	1461ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 01:38:21	1170ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 09:30:15	1111ms	2 NS 1 A 1 MX	🔒 Secure	View