lektier-online.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
kim.ns.cloudflare.com	108.162.192.126 172.64.32.126 173.245.58.126 2606:4700:50::adf5:3a7e 2803:f800:50::6ca2:c07e 2a06:98c1:50::ac40:207e	kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com kim.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
max.ns.cloudflare.com	108.162.193.132 172.64.33.132 173.245.59.132 2606:4700:58::adf5:3b84 2803:f800:50::6ca2:c184 2a06:98c1:50::ac40:2184	max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com max.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.5.208	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.133.215	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:85d7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:5d0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 52ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.5.208,172.67.133.215 ech=AEX+DQBBkQAgACC1LvNM9sCVP6fJcVezQMTvL0LLilsvTlcarXL7lWQaOQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:85d7,2606:4700:3033::6815:5d0

📝 TXT Records2 records 205ms

TXT Record
google-site-verification=eFxUQM2-QoGAv-cQL3fZ1Kn_-3XbAmn0N8Rfbru2Cn8
v=spf1 -all

✉️ SPF

Policy	Record (lektier-online.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.lektier-online.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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)

🔐 DNSSEC86ms

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	2412810014
Primary NS (MNAME)	kim.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

44ms

MX

36ms

AAAA

39ms

TXT

205ms

CAA

45ms

HTTPS

52ms

TLSA

986ms

SOA

0ms

MTA-STS

56ms

DNSSEC

86ms

SRV

71ms

Total

2193ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 19:07:02	2193ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-22 07:45:41	965ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-05 04:30:52	853ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-29 04:48:10	1550ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-23 18:44:35	3406ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-22 17:06:36	2730ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 18:08:53	1437ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-27 11:24:51	610ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 11:11:08	1117ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-22 00:47:00	432ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 19:15:18	518ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-20 18:29:40	780ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 12:54:26	4292ms	2 NS 2 A 0 MX	🔓 Insecure	View