lesson.dk DNS records

🖥️ Nameservers4 records 45ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.nordicway.dk	2a01:4f8:1c1a:a1e7::1 91.98.140.195	— static.195.140.98.91.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns2.nordicway.dk	2a01:4f8:c012:4db6::1 49.13.80.249	— static.249.80.13.49.clients.your-server.de	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
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 55ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
144.76.168.29	3600s	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	144.76.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records1 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	lesson.dk	144.76.168.29 2a01:4f8:200:442e::2	cp15.nordicway.dk cp15.nordicway.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🔷 AAAA Records (IPv6)1 records 58ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:200:442e::2	3600s	cp15.nordicway.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 296ms

TXT Record
v=spf1 ip4:144.76.168.29 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

✉️ SPF

Policy	Record (lesson.dk)
~all (soft fail)	v=spf1 ip4:144.76.168.29 ip4:176.9.90.24 +a +mx +ip4:49.12.122.94 include:relay.mailchannels.net ~all

📨 DMARC

Policy	Record (_dmarc.lesson.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.lesson.dk	BK2OY12Mc-6DH7VDM8tf0i03jmzrta2ojALOh5WOQU0

🔗 TLSA / DANE

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

🔐 DNSSEC126ms

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	2026090601
Primary NS (MNAME)	ns1.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

45ms

A

55ms

MX

52ms

AAAA

58ms

TXT

296ms

CAA

51ms

HTTPS

50ms

TLSA

78ms

SOA

0ms

MTA-STS

113ms

DNSSEC

126ms

SRV

119ms

Total

757ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-06 09:26:25	757ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-09-03 17:36:49	815ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-09-01 02:19:30	1130ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-30 15:04:03	1640ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-29 14:46:25	1471ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-28 02:55:05	654ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 01:57:38	687ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-26 00:58:31	656ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-23 12:02:03	3178ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-22 09:34:39	9944ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-21 09:23:40	1941ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-20 08:24:29	2889ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-19 06:38:09	6263ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-18 04:27:06	1105ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-15 10:47:29	4820ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-12 16:04:17	1348ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-11 14:57:29	5266ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-10 01:23:35	1167ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-08 01:15:29	25140ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-06 07:43:17	1935ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-08-03 04:40:38	9839ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-27 19:02:53	1165ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-26 18:40:22	9858ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 18:16:29	1670ms	4 NS 1 A 1 MX	🔓 Insecure	View
2026-07-24 18:08:55	9799ms	4 NS 1 A 1 MX	🔓 Insecure	View