mitteldorf.dk DNS records

🖥️ Nameservers4 records 45ms

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
20.4.244.223	3600s	—	AS8075	Microsoft Corporation	20.0.0.0/11	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 80ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mitteldorf-dk.mail.protection.outlook.com	2a01:111:f403:ca04::4 2a01:111:f403:ca04::e 2a01:111:f403:ca09::b 2a01:111:f403:ca09::c 52.101.209.153 52.101.68.27 52.101.73.15 52.101.73.153	mail-db4pr02cu00204.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am7pr05cu00103.inbound.protection.outlook.com mail-as8pr05cu00304.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-as8pr05cu00401.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 → 40.104.116.56

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 89ms

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

📝 TXT Records5 records 203ms

TXT Record
8wtdylfd18x8p3pllmw7nq7xpcpghf3f
atlassian-domain-verification=v50SA1jSXj3L73RUyzDzYEzg0jNWdhfLgDlJPCAyrkg7ibx6GhoXOhVSHUj8brYA
google-site-verification=FSHG-J_ba3kecvO-jOc6dNc_GvYM8vk0k_XmQcuLgrw
mscid=FmrzHRMrPXxXA0cDeL/u4zGYTjfxueOcmK8m3QneBDtjHM40fIT7sHYnB5pjRzXyCp2hBIXt+PIP6iM1o3yndg==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.mitteldorf.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 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)

🔐 DNSSEC95ms

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

45ms

A

44ms

MX

80ms

AAAA

53ms

TXT

203ms

CAA

73ms

HTTPS

82ms

TLSA

674ms

SOA

0ms

MTA-STS

77ms

DNSSEC

95ms

SRV

89ms

Total

1276ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 22:24:28	1276ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 08:53:42	3274ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 01:19:57	1197ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 03:36:48	851ms	4 NS 1 A 1 MX	🔓 Insecure	View