birkholmskolen.dk DNS records

🖥️ Nameservers2 records 74ms

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 Records1 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
46.30.211.38	600s	domain-parking.one.com	AS51468	One.com A/S	46.30.208.0/21	🇩🇰 Denmark	Copenhagen

📧 MX Records1 records 68ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	smtp.google.com	173.194.220.26 173.194.221.26 173.194.221.27 173.194.222.26 173.194.222.27 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1a 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0a::1b 2a00:1450:4010:c0b::1a 2a00:1450:4010:c0b::1a	lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-f27.1e100.net lo-in-f26.1e100.net lo-in-f27.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net lm-in-f26.1e100.net lm-in-x1a.1e100.net lm-in-f27.1e100.net lm-in-x1b.1e100.net lo-in-f26.1e100.net lo-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC 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 Records2 records 200ms

TXT Record
google-site-verification=TiUWMLT5v641AJCWVnU79bcMzy4E2R-67h-jhS6_qHo
v=spf1 include:_spf.google.com ~all

✉️ SPF

Policy	Record (birkholmskolen.dk)
~all (soft fail)	v=spf1 include:_spf.google.com ~all

📨 DMARC

Policy	Record (_dmarc.birkholmskolen.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:pe@kgs.dk; pct=100; adkim=s; aspf=s

📬 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

🔗 TLSA / DANE

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

🔐 DNSSEC120ms

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

🏷️ SOA0ms

Field	Value
Serial	2026082701
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

74ms

A

44ms

MX

68ms

AAAA

59ms

TXT

200ms

CAA

69ms

HTTPS

64ms

TLSA

97ms

SOA

0ms

MTA-STS

97ms

DNSSEC

120ms

SRV

70ms

Total

762ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 00:52:57	762ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-26 13:58:53	768ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-20 00:54:57	2399ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-28 00:33:41	728ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-27 11:51:04	623ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-20 07:46:52	658ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 14:48:42	457ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-16 14:40:42	2413ms	2 NS 1 A 0 MX	🔒 Secure	View