lessonstudy.dk

Records from scan: 2026-09-29 17:43:17 · 712ms total · last checked 2026-09-30 17:54 (unchanged)

lessonstudy.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). Its website address 167.235.90.235 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by lessonstudy.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers

5 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1pri.webhosting.dk	157.250.160.80	ns1pri.webhosting.dk	AS3342 Cibicom A/S
ns2.mywebtonet.com	157.250.163.66	ns2.mywebtonet.com	AS3342 Cibicom A/S
ns2.webhosting.dk	157.250.163.65	ns2.webhosting.dk	AS3342 Cibicom A/S
ns3.webhosting.dk	2a01:4f9:c010:7e3d::1 95.217.166.205	— ns3.webhosting.dk	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH
ns7.webhosting.dk	159.69.216.38 2a01:4f8:1c0c:6cd6::1	ns7.webhosting.dk —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

🌍 A Records

1 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
167.235.90.235	600s	static.235.90.235.167.clients.your-server.de	AS24940	Hetzner Online GmbH	167.235.0.0/16	🇩🇪 Germany	Falkenstein

📧 MX Records

1 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	600s	lessonstudy.dk	167.235.90.235 2a01:4f8:2b01:109b::2	static.235.90.235.167.clients.your-server.de —	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	167.235.90.235
🔶 Autoconfig	167.235.90.235

🔷 AAAA Records (IPv6)

1 records 52ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2b01:109b::2	600s	—	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

1 records 181ms

TXT Record
@ v=spf1 a mx -all

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 DMARC

Policy	Record (_dmarc.lessonstudy.dk)
p=none (monitor only)	v=DMARC1;p=none;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

1 records 33ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone

checked 2026-09-29 17:43:17

www	Address record (no CNAME)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE

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

🔐 DNSSEC

56ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA

0ms

Field	Value
Serial	3403071806
Primary NS (MNAME)	ns1pri.webhosting.dk
Responsible (RNAME)	hostmaster@webhosting.dk
Refresh	21600s
Retry	3600s
Expire	14515200s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

51ms

43ms

56ms

AAAA

52ms

TXT

181ms

CAA

33ms

HTTPS

49ms

TLSA

153ms

SOA

0ms

MTA-STS

65ms

DNSSEC

56ms

SRV

112ms

Total

712ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-29 17:43:17 shown	712ms	5 NS 1 A 1 MX	🔒 Secure
2026-07-21 12:53:09	16935ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-29 12:48:36	930ms	5 NS 1 A 1 MX	🔒 Secure
2026-06-17 23:11:05	776ms	5 NS 1 A 1 MX	🔒 Secure