lærerkalenderen.dk DNS records

🖥️ Nameservers2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns3.nordicway.dk	2a01:4f8:c2c:d3c0::1 78.47.45.64	ns3.nordicway.dk ns3.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns4.nordicway.dk	2a01:4f8:c010:24a2::1 78.47.56.84	ns4.nordicway.dk ns4.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records1 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.65	3600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records1 records 47ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	mail.xn--lrerkalenderen-0ib.dk	176.9.90.24 2a01:4f8:151:30f0::2	cp10.nordicway.dk cp10.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	shops.myshopify.com → 23.227.38.74
🔶 Autoconfig	shops.myshopify.com → 23.227.38.74

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records2 records 238ms

TXT Record
facebook-domain-verification=3wbkv4s9l8mxlr9p5c9dlxuzncdf04
v=spf1 ip4:176.9.90.24 ip4:49.12.122.94 +a +mx include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (lærerkalenderen.dk)
~all (soft fail)	v=spf1 ip4:176.9.90.24 ip4:49.12.122.94 +a +mx include:relay.mailchannels.net ~all

📨 DMARC

Policy	Record (_dmarc.lærerkalenderen.dk)
p=none (monitor only)	v=DMARC1;p=none;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.lærerkalenderen.dk	HXOMIhNSNEA_EQbPRz_Qkm0FKuwAoX3_H-UQTpLYtqw

🔗 TLSA / DANE

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

🔐 DNSSEC109ms

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	2026090401
Primary NS (MNAME)	ns3.nordicway.dk
Responsible (RNAME)	server@nordicway.dk
Refresh	3600s
Retry	1800s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

42ms

A

41ms

MX

47ms

AAAA

47ms

TXT

238ms

CAA

39ms

HTTPS

42ms

TLSA

91ms

SOA

0ms

MTA-STS

80ms

DNSSEC

109ms

SRV

83ms

Total

724ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-04 09:54:17	724ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-09-01 23:16:57	2870ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-31 03:19:20	1457ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-29 17:33:34	1265ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-28 08:24:28	989ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 08:17:19	939ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 08:15:34	898ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-24 18:25:09	2675ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 15:54:17	2180ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-22 15:05:00	9520ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 14:35:04	1188ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 14:24:48	6223ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-19 13:34:00	1070ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 13:30:09	9886ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-16 08:43:15	3079ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 07:15:58	4332ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-14 04:28:58	2913ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-08-12 08:18:18	1075ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 04:20:42	1762ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 03:43:19	1141ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-01 04:33:41	2421ms	2 NS 1 A 1 MX	❓ Unknown	View
2026-07-29 00:26:04	3070ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 23:00:31	1254ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 21:40:45	17020ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 21:08:45	9363ms	2 NS 1 A 1 MX	🔓 Insecure	View