roskildegymnasium.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
ns07.sac-it.dk	85.235.243.63	ns07.sac-it.dk	AS3308 Norlys Digital A/S
ns08.sac-it.dk	128.76.60.63	ns08.sac-it.dk	AS3292 TDC Holding A/S

🌍 A Records1 records 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
89.233.19.192	3600s	192.0-254.19.233.89.in-addr.arpa	AS3308	Norlys Digital A/S	89.233.0.0/18	🇩🇰 Denmark	Copenhagen

📧 MX Records5 records 21ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	1819s	aspmx.l.google.com	142.251.9.27 2a00:1450:4025:c01::1b	rc-in-f27.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1819s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	1819s	alt2.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1819s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	1819s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4003:c26::1a	tp-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	www.roskilde-gymnasium.dk → 198.202.211.1
🔶 Autoconfig	www.roskilde-gymnasium.dk → 198.202.211.1

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records3 records 158ms

TXT Record
google-site-verification=61j6d7IELXDcnKcpFrsO-Yf67W8smAJDbknAcOF2d9c
MS=AACE08A38B4A1F06FB4C115B022819B8720B77D3
MS=ms23214218

✉️ 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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.roskildegymnasium.dk	www.roskilde-gymnasium.dk

🔗 TLSA / DANE

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

🔐 DNSSEC94ms

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)	ns07.sac-it.dk
Responsible (RNAME)	hostmaster@roskildegymnasium.dk
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

25ms

A

22ms

MX

21ms

AAAA

27ms

TXT

158ms

CAA

25ms

HTTPS

30ms

TLSA

94ms

SOA

0ms

MTA-STS

101ms

DNSSEC

94ms

SRV

99ms

Total

870ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:30:35	870ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-20 04:54:19	3886ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-13 18:57:59	1396ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-07 06:04:36	18146ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-08-04 21:54:37	1519ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-24 01:56:47	2094ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-17 06:58:31	1431ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-09 19:07:42	9910ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-07-03 14:52:12	915ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-30 16:19:04	948ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-28 16:08:19	2315ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-25 22:56:44	900ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-24 17:51:54	846ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-21 21:31:45	1996ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 23:30:12	1325ms	2 NS 1 A 5 MX	🔒 Secure	View