codelabs.dk

📜 Historical scan 2026-10-03 18:03:18 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

codelabs.dk is a .dk domain served by 2 nameservers (ns1.box.alsoee.com, ns2.box.alsoee.com). It was registered on 31 March 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 157.90.112.245 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by box.alsoee.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.box.alsoee.com	157.90.112.245	box.alsoee.com	AS24940 Hetzner Online GmbH
ns2.box.alsoee.com	157.90.112.245	box.alsoee.com	AS24940 Hetzner Online GmbH

🌍 A Records#

1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
157.90.112.245	86400s	box.alsoee.com	AS24940	Hetzner Online GmbH	157.90.0.0/16	🇩🇪 Germany	Nuremberg

📧 MX Records#

1 records 41ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	86400s	box.alsoee.com	157.90.112.245	box.alsoee.com	AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	157.90.112.245
🔶 Autoconfig	157.90.112.245

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 283ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (codelabs.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.codelabs.dk)
p=quarantine	v=DMARC1; p=quarantine;

📬 MTA-STS#

190ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	MMMPi3I5m4eUcQf0qgDQ
max_age	604800s
Policy MX	box.alsoee.com

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-22 11:46:10

www	157.90.112.245 (AS24940) (address records, no CNAME)
www vs bare domain	Same network codelabs.dk: 157.90.112.245 (AS24940) www.codelabs.dk: 157.90.112.245 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 1 iteration · no salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
mail	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

1 records 258ms

Service / Owner	Type	Cert association
SMTP _25._tcp.box.alsoee.com	DANE-EE · SPKI · SHA-256	AECFAAC04E11265B4172A932C8E7A4AC…

🔐 DNSSEC#

63ms

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

🏷️ SOA#

104ms

Field	Value
Serial	2026092500
Primary NS (MNAME)	ns1.box.alsoee.com
Responsible (RNAME)	hostmaster@box.alsoee.com
Refresh	7200s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	86400s

📋 Registration#

WHOIS fetched 2026-10-24 19:56:33

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-03-31
Expires	2027-04-30 (187d)

🔗 Same registrant#

3 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
alsoee.dk	Punktum dk A/S (direct)
itgeek.dk	Punktum dk A/S (direct)
sfohosting.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

42ms

44ms

41ms

AAAA

43ms

TXT

283ms

CAA

41ms

HTTPS

47ms

TLSA

258ms

SOA

104ms

MTA-STS

190ms

DNSSEC

63ms

SRV

127ms

Total

968ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-22 11:46:10	845ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-03 18:03:18 shown	968ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 20:58:27	1048ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-25 11:42:15	1621ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 17:43:46	1718ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 03:47:07	1536ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-07 20:42:57	2251ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-06 16:00:41	3396ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 19:23:42	2535ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-23 07:40:37	2162ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 09:28:17	995ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 21:49:53	1074ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 21:40:32	1457ms	2 NS 1 A 1 MX	🔒 Secure