byrumskole.dk

📜 Historical scan 2026-06-20 21:28:30 · ← 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 197ms

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 251ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
198.202.211.1	600s	—	AS209242	Cloudflare London, LLC	198.202.211.0/24	🇺🇸 United States	—

📧 MX Records#

5 records 213ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a	lt-in-f27.1e100.net lh-in-x1a.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4003:c26::1a	tp-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.26 2404:6800:4008:c01::1a	yunrtab-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC 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 579ms

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#

444ms

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

🏷️ SOA#

253ms

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#

197ms

251ms

213ms

AAAA

175ms

TXT

579ms

CAA

156ms

HTTPS

221ms

TLSA

4161ms

SOA

253ms

MTA-STS

294ms

DNSSEC

444ms

SRV

340ms

Total

6539ms

🕐 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 shown	6539ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 18:25:37	661ms	2 NS 1 A 5 MX	🔒 Secure