fredslund-research.dk DNS records

🖥️ Nameservers4 records 64ms

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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.213.9	3600s	webcluster1.webpod12-cph3.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fredslundresearch-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04::9 2a01:111:f403:ca04::e 2a01:111:f403:ca09::3 2a01:111:f403:ca09::a 52.101.68.5 52.101.73.12 52.101.73.15 52.101.73.8	mail-db7pr03cu00601.inbound.protection.outlook.com mail-db8pr02cu00106.inbound.protection.outlook.com mail-am6pr04cu00303.inbound.protection.outlook.com mail-am7pr02cu00202.inbound.protection.outlook.com mail-du2pr03cu00105.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am9pr04cu00107.inbound.protection.outlook.com mail-am0pr04cu00500.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
🔶 Autoconfig	46.30.213.9

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 93ms

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

📝 TXT Records3 records 320ms

TXT Record
MS=ms51949960
mscid=5N5M/LAL5WYmJHPdN2HuNSCxU+ScUjiDHddJadJiHpOcS2ybA124Hg3tKWV1quBKtNp9SF8qeb7lASjhclXDMQ==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.fredslund-research.dk)
p=quarantine	v=DMARC1;p=quarantine;rua=mailto:af@fredslund-research.dk;ruf=mailto:af@fredslund-research.dk

📬 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.fredslund-research.dk	fredslund-research.dk.acme.service.one.com

🔗 TLSA / DANE

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC120ms

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

64ms

A

47ms

MX

79ms

AAAA

68ms

TXT

320ms

CAA

70ms

HTTPS

66ms

TLSA

782ms

SOA

0ms

MTA-STS

86ms

DNSSEC

120ms

SRV

93ms

Total

1778ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 13:25:57	1778ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-25 13:30:39	886ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 18:50:20	1601ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-22 07:20:38	1141ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 07:38:03	2480ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:14:23	3726ms	4 NS 1 A 1 MX	🔓 Insecure	View