onlinesprog.dk DNS records

🖥️ Nameservers4 records 74ms

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 Records

🌍

No A records found

📧 MX Records1 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	onlinesprog-dk.mail.protection.outlook.com	2a01:111:f403:ca09::3 2a01:111:f403:ca09::6 2a01:111:f403:ca09::9 2a01:111:f403:ca21::e 52.101.68.29 52.101.68.8 52.101.73.8 52.101.91.153	mail-am6pr04cu00303.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-dbapr03cu00105.inbound.protection.outlook.com mail-du0pr03cu00100.inbound.protection.outlook.com mail-am0pr04cu00500.inbound.protection.outlook.com mail-matpr04cu00101.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

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 104ms

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

📝 TXT Records2 records 221ms

TXT Record
mscid=tWrAdAO/7rFZKTT7hs2AaGc0vQBk5NZQfHFIhF08pApJd9vKFu2/sJMiUxBqWrV+PCchyCLuh+F8xbfTUIdqHA==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (onlinesprog.dk)
-all (hard fail)	v=spf1 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)

🔐 DNSSEC2061ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ 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

74ms

A

50ms

MX

33ms

AAAA

42ms

TXT

221ms

CAA

59ms

HTTPS

61ms

TLSA

751ms

SOA

0ms

MTA-STS

102ms

DNSSEC

2061ms

SRV

104ms

Total

3132ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-03 16:35:06	3132ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 03:42:48	1353ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 20:17:00	1665ms	4 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 02:43:52	1025ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 20:42:36	925ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 10:12:35	4176ms	4 NS 0 A 1 MX	🔓 Insecure	View