arthurpedersen.dk DNS records

🖥️ Nameservers4 records 40ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.bdm.microsoftonline.com	13.107.236.208 2603:1061:0:700::d0	ns1-208.azure-dns.com ns1-208.azure-dns.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns2.bdm.microsoftonline.com	150.171.21.208 2620:1ec:8ec:700::d0	ns2-208.azure-dns.net ns2-208.azure-dns.net	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns3.bdm.microsoftonline.com	204.14.183.208 2a01:111:4000:700::d0	ns3-208.azure-dns.org ns3-208.azure-dns.org	AS8075 Microsoft Corporation AS8075 Microsoft Corporation
ns4.bdm.microsoftonline.com	208.84.5.208 2620:1ec:bda:700::d0	ns4-208.azure-dns.info ns4-208.azure-dns.info	AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🌍 A Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
193.8.37.10	3600s	—	AS3308	Norlys Telco A/S	193.8.36.0/23	🇩🇰 Denmark	Ølstykke

📧 MX Records1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	arthurpedersen-dk.mail.protection.outlook.com	2a01:111:f403:ca04::6 2a01:111:f403:ca09::28 2a01:111:f403:ca09::5 2a01:111:f403:ca09::c 52.101.209.28 52.101.68.16 52.101.73.15 52.101.73.22	mail-db4pr02cu00406.inbound.protection.outlook.com mail-am6pr02cu00300.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-cpjpr05cu00104.inbound.protection.outlook.com mail-db4pr02cu00400.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am7pr05cu00106.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 → 52.98.154.152

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 95ms

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

📝 TXT Records2 records 179ms

TXT Record
mscid=/pCWEaeQmJ+jBpdQAGSMMZtmr8/syOjlzWw6REAqhndXX+DU5OZLfs8HChSGefNGDuOhvoVWkGiGvk4RlO/0CA==
v=spf1 ip4:193.8.36.0/22 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (arthurpedersen.dk)
-all (hard fail)	v=spf1 ip4:193.8.36.0/22 include:spf.protection.outlook.com -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)

🔐 DNSSEC2058ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA0ms

Field	Value
Serial	1
Primary NS (MNAME)	ns1.bdm.microsoftonline.com
Responsible (RNAME)	azuredns-hostmaster@microsoft.com
Refresh	3600s
Retry	300s
Expire	2419200s
Minimum (neg-cache TTL)	300s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

40ms

A

44ms

MX

42ms

AAAA

44ms

TXT

179ms

CAA

61ms

HTTPS

38ms

TLSA

841ms

SOA

0ms

MTA-STS

51ms

DNSSEC

2058ms

SRV

95ms

Total

3335ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 13:10:44	3335ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-04 16:26:57	2204ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-20 19:22:28	1953ms	4 NS 1 A 1 MX	⚠️ Bogus	View
2026-06-16 13:42:33	1730ms	4 NS 1 A 1 MX	🔓 Insecure	View