klasse-appen.dk

Records from scan: 2026-10-14 17:50:04  ·  1077ms total  ·  last checked 2026-10-16 21:46 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klasse-appen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2026 (WHOIS) and first appeared in the .dk zone on 5 October 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   139ms
NameserverIP addressesPTRASN / 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   99ms
IPTTLPTRASNISP / OrgCIDRCountryCity
216.24.57.1 3600s ip-216-24-57-1.ingress.render.com AS397273 Render 216.24.57.0/24 🇺🇸 United States —

📧 MX Records#

1 records   107ms
PriorityTTLMail ServerIP addressesPTRASN
0 300s .  Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝
No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

PolicyRecord (_dmarc.klasse-appen.dk)
p=none (monitor only) v=DMARC1; p=none;

📬 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#

checked 2026-10-14 17:50:05
www CNAMEklasse-appen.onrender.com (all on onrender.com)
www vs bare domainSame network
klasse-appen.dk: 216.24.57.1 (AS397273)
www.klasse-appen.dk: 216.24.57.16 216.24.57.18 (AS397273)
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

257ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

84ms
FieldValue
Serial2026101401
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-09 01:13:12
FieldValue
RegistrarONE.COM A/S
Registered2026-10-04
Expires2027-10-03 (350d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
139ms
A
99ms
MX
107ms
AAAA
132ms
TXT
307ms
CAA
141ms
HTTPS
137ms
TLSA
122ms
SOA
84ms
MTA-STS
174ms
DNSSEC
257ms
SRV
154ms
Total
1077ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 17:50:04 shown 1077ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-10 10:59:16 541ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-09 01:10:57 1757ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-08 01:05:01 653ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-07 10:48:52 147ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-06 09:10:25 97ms 1 NS 0 A 0 MX ❓ Unknown
2026-10-05 08:39:09 648ms 1 NS 0 A 0 MX ❓ Unknown
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