byrumskole.dk

📜 Historical scan 2026-06-16 18:25:37 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

byrumskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 29 August 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	—	—	—
ns02.one.com	—	—	—

🌍 A Records#

1 records 57ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	—	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

5 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.1.26	lb-in-f26.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.152.27	yulpptr-in-f27.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.26	yunrtab-in-f26.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 195ms

TXT Record
proxy-ssl.webflow.com

✉️ 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#

latest probe, not this scan · checked 2026-10-10 15:17:44

www CNAME	cdn.webflow.com (all on webflow.com) → 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
www vs bare domain	Same network byrumskole.dk: 198.202.211.1 (AS209242) www.byrumskole.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242)
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#

146ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2026053001
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 2026-10-10 07:28:46

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2019-08-29
Expires	2027-08-31 (313d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

57ms

58ms

AAAA

58ms

TXT

195ms

CAA

59ms

HTTPS

47ms

TLSA

50ms

SOA

38ms

MTA-STS

43ms

DNSSEC

146ms

SRV

0ms

Total

661ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 05:39:54	2194ms	2 NS 1 A 5 MX	🔒 Secure
2026-10-01 05:31:47	1653ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-28 12:45:39	1404ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-26 12:27:26	5608ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-08 19:08:08	3797ms	2 NS 1 A 5 MX	🔒 Secure
2026-09-01 03:56:32	2202ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-23 02:50:12	2669ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-02 00:32:41	6270ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-30 13:22:41	1460ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-26 10:27:55	1193ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-23 23:15:46	1030ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-20 21:28:30	6539ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 18:25:37 shown	661ms	2 NS 1 A 5 MX	🔒 Secure