b2bdialog.dk DNS records

🖥️ Nameservers2 records 379ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.dandomain.dk	185.25.141.3 2a02:2339:4006:109::dd	ns.dandomain.dk ns.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.dandomain.dk	2a02:2339:1:108::dd:dd 91.197.248.66	ns2.dandomain.dk ns2.dandomain.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records1 records 299ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.238.50.12	3600s	—	AS47292	Sentia Denmark A/S	109.238.48.0/21	🇩🇰 Denmark	—

📧 MX Records1 records 236ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	60s	b2bdialog-dk.mail.protection.outlook.com	2a01:111:f403:ca04::a 2a01:111:f403:ca09::1 2a01:111:f403:ca09::20 2a01:111:f403:ca09::7 52.101.68.25 52.101.73.12 52.101.73.2 52.101.73.24	mail-du0pr03cu00102.inbound.protection.outlook.com mail-as9pr07cu00301.inbound.protection.outlook.com mail-as8pr05cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-db8pr02cu00101.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-as9pr07cu00302.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 → 40.99.150.24

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 708ms

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

📝 TXT Records2 records 1151ms

TXT Record
MS=ms22988501
v=spf1 a mx include:spf.mtasv.net include:spf.protection.outlook.com include:spf.dandomain.dk ip4:185.21.41.215 ip4:185.21.41.171 ip4:93.191.155.217 ip4:80.62.116.192 -all

✉️ SPF

Policy	Record (b2bdialog.dk)
-all (hard fail)	v=spf1 a mx include:spf.mtasv.net include:spf.protection.outlook.com include:spf.dandomain.dk ip4:185.21.41.215 ip4:185.21.41.171 ip4:93.191.155.217 ip4:80.62.116.192 -all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC1529ms

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

🏷️ SOA290ms

Field	Value
Serial	2022062201
Primary NS (MNAME)	ns.dandomain.dk
Responsible (RNAME)	hostmaster@dandomain.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

379ms

A

299ms

MX

236ms

AAAA

374ms

TXT

1151ms

CAA

330ms

HTTPS

327ms

TLSA

517ms

SOA

290ms

MTA-STS

644ms

DNSSEC

1529ms

SRV

708ms

Total

6063ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 22:46:09	926ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 09:06:12	1647ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 01:36:13	6063ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 13:57:12	701ms	2 NS 1 A 1 MX	🔒 Secure	View