dueholdings.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
indie.ns.cloudflare.com	108.162.194.163 162.159.38.163 172.64.34.163 2606:4700:50::a29f:26a3 2803:f800:50::6ca2:c2a3 2a06:98c1:50::ac40:22a3	indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com indie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
piers.ns.cloudflare.com	108.162.195.16 162.159.44.16 172.64.35.16 2606:4700:58::a29f:2c10 2803:f800:50::6ca2:c310 2a06:98c1:50::ac40:2310	piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com piers.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 45ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.84.251	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.199.231	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 69ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	smtp.google.com	108.177.14.26 108.177.14.27 172.253.152.26 2a00:1450:4010:c05::1a 2a00:1450:4010:c05::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b 2a00:1450:4010:c22::1a 64.233.162.26 64.233.162.27	lt-in-f26.1e100.net lt-in-f27.1e100.net yulpptr-in-f26.1e100.net li-in-x1a.1e100.net li-in-f26.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-x1b.1e100.net lt-in-f27.1e100.net yulpptr-in-f26.1e100.net li-in-f26.1e100.net li-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	104.21.84.251
🔶 Autoconfig	104.21.84.251

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:c7e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:54fb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 86ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.84.251,172.67.199.231 ech=AEX+DQBBuwAgACB79eybGkcixTjypr2ywxGraEo0JzUYf/CLPPmt23xuRQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c7e7,2606:4700:3032::6815:54fb

📝 TXT Records2 records 306ms

TXT Record
google-site-verification=ic0Wel_iR3zAOMMyCNip33MpQZn5T7tRcjKs0juaM90
v=DMARC1; p=none;

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC89ms

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	2411597298
Primary NS (MNAME)	indie.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

66ms

A

45ms

MX

69ms

AAAA

42ms

TXT

306ms

CAA

64ms

HTTPS

86ms

TLSA

94ms

SOA

0ms

MTA-STS

70ms

DNSSEC

89ms

SRV

108ms

Total

1689ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-08 01:10:15	1689ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-18 17:02:46	1755ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-30 15:14:16	1020ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 04:55:13	499ms	2 NS 2 A 1 MX	🔓 Insecure	View