revikurser.dk DNS records

🖥️ Nameservers2 records 24ms

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 24ms

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 Records5 records 25ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	142.251.9.27 2a00:1450:4010:c01::1a 2a00:1450:4010:c01::1a	rc-in-f27.1e100.net lh-in-x1a.1e100.net lh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4001:c01::1a	lcdels-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4003:c26::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	172.253.158.27 2404:6800:4008:c01::1b	so-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	wildcard.revikurser.dk.herokudns.com
🔶 Autoconfig	wildcard.revikurser.dk.herokudns.com

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records8 records 202ms

TXT Record
brevo-code:3940962a43e06c8110813baea0739acc
facebook-domain-verification=p5cngtw1qu0qo47g6ptg91pwoou83q
google-site-verification=bR6VB_wQM6yahpTp0ubHrJPB9RwUa6xeP3cebq13Bh8
google-site-verification=VQfo_mGySy01NRZoWWBhYXQF1KThOV-nX9YbBUwS_y0
proxy-ssl.webflow.com
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
v=spf1 include:spf.mandrillapp.com include:spf.itnapps.eu include:eu.zcsend.net ~all
zoho-verification=zb45120462.zmverify.zoho.eu

✉️ SPF

Policy	Record (revikurser.dk)
~all (soft fail)	v=spf1 include:spf.mandrillapp.com include:spf.itnapps.eu include:eu.zcsend.net ~all

📨 DMARC

Policy	Record (_dmarc.revikurser.dk)
p=quarantine	v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarc@advokurser.dk;

📬 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.revikurser.dk	wildcard.revikurser.dk.herokudns.com

🔗 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	2026083001
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

24ms

A

24ms

MX

25ms

AAAA

29ms

TXT

202ms

CAA

27ms

HTTPS

24ms

TLSA

580ms

SOA

0ms

MTA-STS

134ms

DNSSEC

94ms

SRV

135ms

Total

1283ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-31 05:43:12	1283ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-20 04:59:44	2092ms	2 NS 1 A 5 MX	🔒 Secure	View
2026-06-17 15:37:22	1141ms	2 NS 1 A 5 MX	🔒 Secure	View