mester1.dk DNS records

🖥️ Nameservers2 records 138ms

Nameserver	IP addresses	PTR	ASN / ISP
rudy.ns.cloudflare.com	108.162.193.229 172.64.33.229 173.245.59.229 2606:4700:58::adf5:3be5 2803:f800:50::6ca2:c1e5 2a06:98c1:50::ac40:21e5	rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com rudy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
tessa.ns.cloudflare.com	108.162.194.229 162.159.38.229 172.64.34.229 2606:4700:50::a29f:26e5 2803:f800:50::6ca2:c2e5 2a06:98c1:50::ac40:22e5	tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com tessa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 133ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.41.135	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.147.127	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 96ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.mester1.dk	86.52.62.54	86-52-62-54.norlyscustomer.net	AS39642 Sinal A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	86.52.62.54

🔷 AAAA Records (IPv6)2 records 121ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:2987	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:937f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 119ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.41.135,172.67.147.127 ech=AEX+DQBB3QAgACBugSTz7OdvhzEEZ5w9a8qVWDzaKffz3vMQAPH3uM+cEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:2987,2606:4700:3036::ac43:937f

📝 TXT Records1 records 346ms

TXT Record
v=spf1 ip4:212.10.10.79 ip4:212.10.10.78 -all

✉️ SPF

Policy	Record (mester1.dk)
-all (hard fail)	v=spf1 ip4:212.10.10.79 ip4:212.10.10.78 -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)

🔐 DNSSEC316ms

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	2413022814
Primary NS (MNAME)	rudy.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

138ms

A

133ms

MX

96ms

AAAA

121ms

TXT

346ms

CAA

132ms

HTTPS

119ms

TLSA

8086ms

SOA

0ms

MTA-STS

158ms

DNSSEC

316ms

SRV

224ms

Total

10077ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-25 03:25:46	10077ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 12:58:48	1038ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-13 22:37:31	8851ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-29 02:25:00	2690ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 21:46:25	1407ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-21 15:50:55	571ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-18 07:54:39	728ms	2 NS 2 A 1 MX	🔓 Insecure	View