1748.dk DNS records

🖥️ Nameservers2 records 118ms

Nameserver	IP addresses	PTR	ASN / ISP
kay.ns.cloudflare.com	108.162.192.125 172.64.32.125 173.245.58.125 2606:4700:50::adf5:3a7d 2803:f800:50::6ca2:c07d 2a06:98c1:50::ac40:207d	kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
titan.ns.cloudflare.com	108.162.195.93 162.159.44.93 172.64.35.93 2606:4700:58::a29f:2c5d 2803:f800:50::6ca2:c35d 2a06:98c1:50::ac40:235d	titan.ns.cloudflare.com titan.ns.cloudflare.com titan.ns.cloudflare.com titan.ns.cloudflare.com titan.ns.cloudflare.com titan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 149ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
20.50.2.84	300s	—	AS8075	Microsoft Corporation	20.48.0.0/12	🇳🇱 The Netherlands	Amsterdam

📧 MX Records1 records 117ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	1748-dk.mail.protection.outlook.com	2a01:111:f403:ca04::e 2a01:111:f403:ca09::5 2a01:111:f403:ca09::d 2a01:111:f403:ca09::e 52.101.68.15 52.101.68.18 52.101.68.21 52.101.73.22	mail-db8pr02cu00106.inbound.protection.outlook.com mail-am1pr04cu00105.inbound.protection.outlook.com mail-as9pr05cu01305.inbound.protection.outlook.com mail-am7pr05cu00206.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-db4pr02cu00205.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 → 52.98.208.40

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records1 records 1155ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	0	1	5061	sipfed.online.lync.com

📝 TXT Records3 records 245ms

TXT Record
MS=2F0B06AF43358CAD5AC802C8B35FEB5AD7F8B449
MS=ms12477964
v=spf1 include:_spf.mlsend.com ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 ip4:86.58.157.151 include:spf.protection.outlook.com include:spf.mailjet.com a:mailfence.ngoweb.dk include:sendgrid.net -all

✉️ SPF

Policy	Record (1748.dk)
-all (hard fail)	v=spf1 include:_spf.mlsend.com ip4:40.67.208.1 ip4:20.126.124.177 ip4:23.97.187.218 ip4:86.58.157.151 include:spf.protection.outlook.com include:spf.mailjet.com a:mailfence.ngoweb.dk include:sendgrid.net -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)

🔐 DNSSEC182ms

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	2410958936
Primary NS (MNAME)	kay.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

118ms

A

149ms

MX

117ms

AAAA

137ms

TXT

245ms

CAA

131ms

HTTPS

144ms

TLSA

685ms

SOA

0ms

MTA-STS

152ms

DNSSEC

182ms

SRV

1155ms

Total

2945ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-05 23:40:17	2945ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-08 18:56:13	2001ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-02 00:34:37	1160ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 13:16:44	7798ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 13:12:55	752ms	2 NS 1 A 1 MX	🔓 Insecure	View