skolebyggeri.dk

Records from scan: 2026-09-30 22:05:49 · 868ms total · last checked 2026-10-17 14:56 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

skolebyggeri.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 142.93.104.90 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 40ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
142.93.104.90	3600s	1582957.cloudwaysapps.com	AS14061	DigitalOcean, LLC	142.93.0.0/16	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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

🧩 Web & zone#

checked 2026-10-13 11:12:19

www CNAME	client-bygherreforeningen-centerforvelfaerdsbyggeri.kathlab.dk (all on kathlab.dk) → 167.99.244.16 (AS14061)
www vs bare domain	Same network skolebyggeri.dk: 142.93.104.90 (AS14061) www.skolebyggeri.dk: 167.99.244.16 (AS14061)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

79ms

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

🏷️ SOA#

49ms

Field	Value
Serial	2026092601
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-08-15 11:12:37

Field	Value
Registrar	ONE.COM A/S
Registered	2024-11-27
Expires	2026-11-26 (39d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

40ms

38ms

AAAA

35ms

TXT

173ms

CAA

28ms

HTTPS

48ms

TLSA

367ms

SOA

49ms

MTA-STS

59ms

DNSSEC

79ms

SRV

48ms

Total

868ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 22:05:49 shown	868ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-27 13:30:35	559ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:49:57	526ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-28 09:47:26	777ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-27 03:55:43	975ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-15 11:02:48	1045ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-04 04:23:16	4930ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-29 14:57:46	6822ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 23:56:51	744ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-21 17:30:04	1101ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 23:53:01	1177ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-20 00:19:23	2529ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-17 11:55:42	1364ms	2 NS 1 A 4 MX	🔒 Secure