fuldtryk.dk DNS records

🖥️ Nameservers4 records 41ms

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 50ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
52.178.158.159	3600s	—	AS8075	Microsoft Corporation	52.160.0.0/11	🇮🇪 Ireland	Dublin

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	fuldtryk-dk.mail.protection.outlook.com	2a01:111:f403:c967::8 2a01:111:f403:ca04::8 2a01:111:f403:ca04::f 2a01:111:f403:ca09::9 52.101.209.153 52.101.73.126 52.101.73.145 52.101.73.28	mail-cpjpr04cu00100.inbound.protection.outlook.com mail-db5pr02cu00100.inbound.protection.outlook.com mail-db7pr03cu00507.inbound.protection.outlook.com mail-as8pr04cu00801.inbound.protection.outlook.com mail-cpjpr04cu00101.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com mail-am6pr02cu00301.inbound.protection.outlook.com mail-am7pr05cu00204.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 83ms

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

📝 TXT Records2 records 195ms

TXT Record
mscid=7DPp9UJYghJv8jrBI++B78um0eJAMZAhrH+NiC9DBxVb/umrK1RuVFqz8nrfzo135qBy6r+Jtklxq3n0r+ol1Q==
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF

Policy	Record (fuldtryk.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)

🔐 DNSSEC111ms

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

41ms

A

50ms

MX

50ms

AAAA

39ms

TXT

195ms

CAA

51ms

HTTPS

53ms

TLSA

350ms

SOA

0ms

MTA-STS

63ms

DNSSEC

111ms

SRV

83ms

Total

1169ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 17:05:09	1169ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 23:17:12	10261ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-26 19:58:52	961ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 01:54:13	2943ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-21 01:33:54	1014ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-06-17 10:00:54	5330ms	4 NS 1 A 1 MX	🔓 Insecure	View