mesterlaere.dk

📜 Historical scan 2026-09-30 16:34:15 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mesterlaere.dk is a .dk domain served by 2 nameservers (christina.ns.cloudflare.com, jermaine.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.34.15 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
christina.ns.cloudflare.com	108.162.194.193 162.159.38.193 172.64.34.193 2606:4700:50::a29f:26c1 2803:f800:50::6ca2:c2c1 2a06:98c1:50::ac40:22c1	christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com christina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
jermaine.ns.cloudflare.com	108.162.195.157 162.159.44.157 172.64.35.157 2606:4700:58::a29f:2c9d 2803:f800:50::6ca2:c39d 2a06:98c1:50::ac40:239d	jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com jermaine.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.15	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.43	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 74.125.131.27	lu-in-f26.1e100.net lu-in-x1a.1e100.net lu-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔶 Autoconfig	172.67.153.43

🔷 AAAA Records (IPv6)#

2 records 47ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::ac43:992b	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:220f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 34ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.15,172.67.153.43 ech=AEX+DQBBfQAgACDNaAfAfAoQPHxoVrmj1DP8fqwD3X325HwHcrQv7Gf/CAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:992b,2606:4700:3035::6815:220f

📝 TXT Records#

3 records 199ms

TXT Record
google-site-verification=ozhfwb5nSybnRLUXEEx2x-VY54CwVyGWG8sFbCdHHME
stripe-verification=bad0b0c3493fb2f3f352e1d89fcd928b99cb50f26e8802f39b2cd37cb72abd9e
v=spf1 include:emsd1.com include:_spf.google.com include:mesterlaere.p.tawk.email ~all

✉️ SPF#

Policy	Record (mesterlaere.dk)
~all (soft fail)	v=spf1 include:emsd1.com include:_spf.google.com include:mesterlaere.p.tawk.email ~all

📨 DMARC#

Policy	Record (_dmarc.mesterlaere.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:per@mesterlaere.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 21:00:26

www	104.21.34.15 172.67.153.43 2606:4700:3031::ac43:992b 2606:4700:3035::6815:220f (AS13335) (address records, no CNAME)
www vs bare domain	Same network mesterlaere.dk: 104.21.34.15 172.67.153.43 2606:4700:3031::ac43:992b 2606:4700:3035::6815:220f (AS13335) www.mesterlaere.dk: 104.21.34.15 172.67.153.43 2606:4700:3031::ac43:992b 2606:4700:3035::6815:220f (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
google	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 4/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

70ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

53ms

Field	Value
Serial	2415090848
Primary NS (MNAME)	christina.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

34ms

42ms

46ms

AAAA

47ms

TXT

199ms

CAA

45ms

HTTPS

34ms

TLSA

94ms

SOA

53ms

MTA-STS

75ms

DNSSEC

70ms

SRV

82ms

Total

967ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 21:00:26	862ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-30 16:34:15 shown	967ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-25 01:15:42	9760ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-17 22:09:25	1627ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-26 14:13:36	9909ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-24 05:56:10	6875ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-20 03:50:28	2048ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-28 22:47:50	998ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-25 05:45:56	2094ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-23 18:16:42	1151ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 03:45:03	11248ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 18:13:51	5431ms	2 NS 2 A 5 MX	🔓 Insecure