laererstuderende.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
janet.ns.cloudflare.com	108.162.192.169 172.64.32.169 173.245.58.169 2606:4700:50::adf5:3aa9 2803:f800:50::6ca2:c0a9 2a06:98c1:50::ac40:20a9	janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com janet.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records3 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.26.12.23	299s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
104.26.13.23	299s	—	AS13335	Cloudflare, Inc.	104.26.0.0/20	—	—
172.67.69.129	299s	—	AS13335	Cloudflare, Inc.	172.67.64.0/18	—	—

📧 MX Records5 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	aspmx.l.google.com	2a00:1450:4010:c03::1b 2a00:1450:4010:c03::1b 64.233.164.27	lr-in-x1b.1e100.net lr-in-f27.1e100.net lf-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
20	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
20	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1b	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
30	300s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)3 records 84ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:20::681a:c17	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::681a:d17	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—
2606:4700:20::ac43:4581	300s	—	AS13335	Cloudflare, Inc.	2606:4700:0:0:0:0:0:0/41	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h2" ipv4hint=104.26.12.23,104.26.13.23,172.67.69.129 ipv6hint=2606:4700:20::681a:c17,2606:4700:20::681a:d17,2606:4700:20::ac43:4581

📝 TXT Records2 records 228ms

TXT Record
google-site-verification=rjSOdloEV8wgHrQchThHPGfNYlwVF0fxCX-rX1GEcGA
v=spf1 mx ip4:185.223.26.234 include:sendgrid.net include:_spf.google.com ~all

✉️ SPF

Policy	Record (laererstuderende.dk)
~all (soft fail)	v=spf1 mx ip4:185.223.26.234 include:sendgrid.net include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.laererstuderende.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:1e910fc61df143c0b09b1dca36c5f4ec@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC96ms

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

🏷️ SOA0ms

Field	Value
Serial	2413301067
Primary NS (MNAME)	ivan.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

55ms

A

57ms

MX

60ms

AAAA

84ms

TXT

228ms

CAA

66ms

HTTPS

58ms

TLSA

157ms

SOA

0ms

MTA-STS

71ms

DNSSEC

96ms

SRV

80ms

Total

1161ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 23:04:08	1161ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-27 20:16:57	781ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-15 10:03:23	1752ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-08 16:13:36	1680ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-01 16:26:09	3513ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-28 22:35:20	2063ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-25 16:24:29	17557ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-11 09:59:09	3371ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-03 18:14:44	3239ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-02 17:33:11	5965ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-24 03:20:42	2376ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-23 12:19:26	902ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 06:04:15	1660ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-23 01:41:12	1166ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 01:04:08	2034ms	2 NS 3 A 5 MX	🔓 Insecure	View