fpr.dk DNS records

🖥️ Nameservers2 records 46ms

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 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.55.237.244	600s	—	AS3292	TDC Holding A/S	87.48.0.0/13	🇩🇰 Denmark	Vejle

📧 MX Records1 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fpr-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca09:: 2a01:111:f403:ca09::f 2a01:111:f403:ca48::a 52.101.181.153 52.101.185.24 52.101.68.16 52.101.68.3	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-am3pr04cu00500.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-miypr02cu00202.inbound.protection.outlook.com mail-wa4pr04cu00101.inbound.protection.outlook.com mail-zrxpr07cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db7pr03cu00403.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 → 40.104.116.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 110ms

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

📝 TXT Records3 records 198ms

TXT Record
apple-domain-verification=nLP73K69zspCA5s8
MS=ms82342914
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (fpr.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC

Policy	Record (_dmarc.fpr.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:it@fpr.dk

📬 MTA-STS166ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20250723080000Z
Policy MX	—

📈 TLSRPT

Status	Report address (rua)
✓ Enabled	mailto:it@fpr.dk

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC149ms

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

🏷️ SOA0ms

Field	Value
Serial	2026090404
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

46ms

A

64ms

MX

51ms

AAAA

63ms

TXT

198ms

CAA

47ms

HTTPS

64ms

TLSA

768ms

SOA

0ms

MTA-STS

166ms

DNSSEC

149ms

SRV

110ms

Total

1534ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-06 06:26:07	1534ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-14 16:49:47	5731ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-11 12:41:27	1794ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-20 17:29:42	25016ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-17 16:09:32	1126ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 14:39:39	1128ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-08 23:32:21	11681ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-23 21:55:44	1712ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-22 21:01:43	1161ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 06:35:56	1412ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 10:13:39	2284ms	2 NS 1 A 1 MX	🔒 Secure	View