fbmail.dk DNS records

🖥️ Nameservers2 records 327ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 293ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
94.231.109.237	3600s	splash.zitcom.dk	AS48854	team.blue Denmark A/S	94.231.96.0/20	🇩🇰 Denmark	—

📧 MX Records1 records 272ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	fbmail-dk.w-v1.mx.microsoft	2a01:111:f403:ca04::d 2a01:111:f403:ca04::f 2a01:111:f403:ca09::9 2a01:111:f403:ca09::c 52.101.68.12 52.101.68.36 52.101.73.22 52.101.73.4	mail-db6pr03cu00105.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am7pr05cu00106.inbound.protection.outlook.com mail-am0pr83cu00404.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
🔶 Autoconfig	94.231.109.237

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 371ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records1 records 809ms

TXT Record
v=spf1 ip4:87.63.59.158 ip4:2.106.154.58 ip4:87.62.221.174 include:web.shared.mysmtp.com include:spf.protection.outlook.com include:_spf-hosting.eg.dk -all

✉️ SPF

Policy	Record (fbmail.dk)
-all (hard fail)	v=spf1 ip4:87.63.59.158 ip4:2.106.154.58 ip4:87.62.221.174 include:web.shared.mysmtp.com include:spf.protection.outlook.com include:_spf-hosting.eg.dk -all

📨 DMARC

Policy	Record (_dmarc.fbmail.dk)
p=reject	v=DMARC1; p=reject; sp=none; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@fbmail.dk; ri=86400

📬 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 / DANE6 records 154ms

Service / Owner	Type	Cert association
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	A6C267923B26A4A9617EDA73D8DB4FBC…
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	38D895F5105BC2545822C17A2444F4B0…
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	133086C7B822371A4A3304F1661A7880…
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	6EBFF927297A5B3AAF5EAE672252C36A…
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-EE · SPKI · SHA-256	C495D9E40F7E625BE22F83CC64305182…
SMTP _25._tcp.fbmail-dk.w-v1.mx.microsoft	DANE-TA · Full cert · SHA-256	5F88694615E4C61686E106B84C3338C6…

🔐 DNSSEC573ms

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

🏷️ SOA346ms

Field	Value
Serial	2026010702
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

327ms

A

293ms

MX

272ms

AAAA

336ms

TXT

809ms

CAA

315ms

HTTPS

308ms

TLSA

154ms

SOA

346ms

MTA-STS

423ms

DNSSEC

573ms

SRV

371ms

Total

2285ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-01 23:47:51	2285ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-17 09:48:29	2246ms	2 NS 1 A 1 MX	⚠️ Bogus	View