lkfiber.dk DNS records

🖥️ Nameservers2 records 45ms

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 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
195.47.247.18	3600s	one.com.webforward.g1i.one	AS51468	One.com A/S	195.47.247.0/24	—	—

📧 MX Records1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
5	43200s	lkfiber-dk.mail.protection.outlook.com	2a01:111:f403:c967::a 2a01:111:f403:ca09::24 2a01:111:f403:ca09::6 2a01:111:f403:ca09::8 52.101.68.0 52.101.68.32 52.101.68.5 52.101.73.2	mail-cpjpr05cu00102.inbound.protection.outlook.com mail-am6pr02cu00204.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as2pr05cu00100.inbound.protection.outlook.com mail-db3pr0202cu00100.inbound.protection.outlook.com mail-db3pr0202cu00200.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.104.116.8

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 70ms

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

📝 TXT Records1 records 179ms

TXT Record
v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:sendgrid.net ip4:88.99.84.1 ip4:49.12.102.67 ip4:135.181.141.122 ip4:49.12.120.159 ip4:5.75.219.202 -all

✉️ SPF

Policy	Record (lkfiber.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:sendgrid.net ip4:88.99.84.1 ip4:49.12.102.67 ip4:135.181.141.122 ip4:49.12.120.159 ip4:5.75.219.202 -all

📨 DMARC

Policy	Record (_dmarc.lkfiber.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:dmarc@lkfiber.dk; ruf=mailto:dmarc@lkfiber.dk; fo=1

📬 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)

🔐 DNSSEC73ms

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

🏷️ SOA0ms

Field	Value
Serial	2026081906
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

45ms

A

49ms

MX

46ms

AAAA

41ms

TXT

179ms

CAA

30ms

HTTPS

46ms

TLSA

687ms

SOA

0ms

MTA-STS

55ms

DNSSEC

73ms

SRV

70ms

Total

1302ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 08:52:30	1302ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 03:51:05	5319ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 14:33:45	2748ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-19 13:19:11	5403ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-12 15:56:14	1777ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-18 06:21:21	3437ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-12 23:52:52	1655ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-25 21:30:13	675ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 23:18:55	1110ms	2 NS 1 A 1 MX	🔒 Secure	View