rideundervisning.dk

📜 Historical scan 2026-06-17 20:22:04 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

rideundervisning.dk is a .dk domain served by 2 nameservers (ns1.web24tech.com, ns2.web24tech.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.215.129.49 is hosted by IONOS SE (AS8560) in Germany. Mail is handled by mail.rideundervisning.dk. The zone is not DNSSEC-signed, publishes a 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 83ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.web24tech.com	85.215.129.49	ip85-215-129-49.pbiaas.com	AS8560 IONOS SE
ns2.web24tech.com	85.215.133.5	ip85-215-133-5.pbiaas.com	AS8560 IONOS SE

🌍 A Records#

1 records 268ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
85.215.129.49	—	ip85-215-129-49.pbiaas.com	AS8560	IONOS SE	85.215.128.0/18	🇩🇪 Germany	—

📧 MX Records#

1 records 233ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	mail.rideundervisning.dk	85.215.129.49	ip85-215-129-49.pbiaas.com	AS8560 IONOS SE

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 535ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	rideundervisning.dk

📝 TXT Records#

1 records 475ms

TXT Record
v=spf1 +a +mx +a:plesk1.web24tech.com -all

✉️ SPF#

Policy	Record (rideundervisning.dk)
-all (hard fail)	v=spf1 +a +mx +a:plesk1.web24tech.com -all

📨 DMARC#

Policy	Record (_dmarc.rideundervisning.dk)
p=none (monitor only)	v=DMARC1; p=none; 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 10:02:12

www CNAME	rideundervisning.dk (all on rideundervisning.dk) → 85.215.129.49 (AS8560)
www vs bare domain	Same network rideundervisning.dk: 85.215.129.49 (AS8560) www.rideundervisning.dk: 85.215.129.49 (AS8560)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
default	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

101ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

148ms

Field	Value
Serial	2026051401
Primary NS (MNAME)	ns1.web24tech.com
Responsible (RNAME)	noc@web24tech.com
Refresh	10800s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

83ms

268ms

233ms

AAAA

245ms

TXT

475ms

CAA

323ms

HTTPS

79ms

TLSA

111ms

SOA

148ms

MTA-STS

234ms

DNSSEC

101ms

SRV

535ms

Total

1017ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 10:02:12	6982ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-29 15:04:37	1838ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-12 16:51:48	1978ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-26 07:21:03	6695ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-15 12:38:49	9594ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 04:58:14	920ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 12:51:54	1903ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 06:18:17	939ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 20:22:04 shown	1017ms	2 NS 1 A 1 MX	🔓 Insecure