byrumskole.dk

📜 Historical scan 2026-09-26 12:27:26 · ← 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 46ms

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 41ms

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 38ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c07::1b 2a00:1450:4010:c07::1b	lt-in-f27.1e100.net lf-in-x1b.1e100.net lf-in-f27.1e100.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	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.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 160ms

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#

76ms

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

🏷️ SOA#

43ms

Field	Value
Serial	2026083101
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#

46ms

41ms

38ms

AAAA

37ms

TXT

160ms

CAA

37ms

HTTPS

44ms

TLSA

1071ms

SOA

43ms

MTA-STS

62ms

DNSSEC

76ms

SRV

52ms

Total

5608ms

🕐 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 shown	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	661ms	2 NS 1 A 5 MX	🔒 Secure