fbolig.dk DNS records

🖥️ Nameservers2 records 82ms

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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.104.202.25	3600s	ext202-25.cph1.sit.dk	AS50346	It Forum Gruppen A/s	193.104.202.0/24	🇩🇰 Denmark	Hellerup

📧 MX Records1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fbolig-dk.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca09::6 2a01:111:f403:ca48::10 2a01:111:f403:ca48::8 52.101.68.16 52.101.68.18 52.101.68.29 52.101.73.24	mail-db7pr03cu00601.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-miypr05cu00100.inbound.protection.outlook.com mail-miypr02cu00100.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-as8pr05cu00300.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

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.fbolig.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:pfr@fbolig.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)

🔐 DNSSEC124ms

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

🏷️ SOA0ms

Field	Value
Serial	2026080901
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

82ms

A

94ms

MX

96ms

AAAA

90ms

TXT

4139ms

CAA

92ms

HTTPS

2038ms

TLSA

318ms

SOA

0ms

MTA-STS

119ms

DNSSEC

124ms

SRV

182ms

Total

4830ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 15:26:13	4830ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 04:57:24	1786ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-15 07:08:34	1120ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-10 23:24:29	5825ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-02 01:34:13	1215ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:48:10	1881ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:32:51	678ms	2 NS 1 A 1 MX	🔒 Secure	View