mester-d.dk DNS records

🖥️ Nameservers2 records 53ms

Nameserver	IP addresses	PTR	ASN / ISP
colin.ns.cloudflare.com	108.162.195.75 162.159.44.75 172.64.35.75 2606:4700:58::a29f:2c4b 2803:f800:50::6ca2:c34b 2a06:98c1:50::ac40:234b	colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com colin.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
elaine.ns.cloudflare.com	108.162.192.152 172.64.32.152 173.245.58.152 2606:4700:50::adf5:3a98 2803:f800:50::6ca2:c098 2a06:98c1:50::ac40:2098	elaine.ns.cloudflare.com elaine.ns.cloudflare.com elaine.ns.cloudflare.com elaine.ns.cloudflare.com elaine.ns.cloudflare.com elaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
45.134.167.28	300s	45-134-167-28.ip.od1.lokalconnect.dk	AS216230	INFOWISE SERVICES ApS	45.134.164.0/22	🇩🇰 Denmark	Korsør

📧 MX Records1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.mathiesen.info	45.134.167.28	45-134-167-28.ip.od1.lokalconnect.dk	AS216230 INFOWISE SERVICES ApS

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	45.134.167.28
🔶 Autoconfig	45.134.167.28

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 230ms

TXT Record
v=spf1 mx ip4:45.134.167.28 -all

✉️ SPF

Policy	Record (mester-d.dk)
-all (hard fail)	v=spf1 mx ip4:45.134.167.28 -all

📨 DMARC

Policy	Record (_dmarc.mester-d.dk)
p=reject	v=DMARC1;p=reject;sp=reject;pct=100;adkim=r;aspf=s;rua=mailto:abuse@mathiesen.info;ruf=mailto:postmaster@mathiesen.info;fo=1

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 45ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC103ms

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	2412448205
Primary NS (MNAME)	colin.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

53ms

A

51ms

MX

41ms

AAAA

49ms

TXT

230ms

CAA

45ms

HTTPS

49ms

TLSA

254ms

SOA

0ms

MTA-STS

94ms

DNSSEC

103ms

SRV

92ms

Total

1013ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-26 11:32:21	1013ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 08:22:41	1278ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 11:20:57	1294ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-28 01:25:25	18655ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-19 10:06:47	8450ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-18 05:39:11	1576ms	2 NS 1 A 1 MX	🔓 Insecure	View