ross-koreskole.dk

📜 Historical scan 2026-07-06 09:09:48  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

ross-koreskole.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 14 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.180 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.mailpod15-cph3.g1i.one.com, mx2.mailpod15-cph3.g1i.one.com and 2 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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   1029ms
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   4560ms
IPTTLPTRASNISP / OrgCIDRCountryCity
77.111.240.180 3595s webcluster53.webpod11-cph3.one.com AS51468 One.com A/S 77.111.240.0/22 🇩🇰 Denmark Copenhagen

📧 MX Records#

4 records   4562ms
PriorityTTLMail ServerIP addressesPTRASN
10 10800s mx1.mailpod15-cph3.g1i.one.com 104.37.35.36 mx1.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx2.mailpod15-cph3.g1i.one.com 104.37.35.37 mx2.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx3.mailpod15-cph3.g1i.one.com 104.37.35.38 mx3.mailpod15-cph3.g1i.one.com AS51468 One.com A/S
10 10800s mx4.mailpod15-cph3.g1i.one.com 104.37.35.39 mx4.mailpod15-cph3.g1i.one.com AS51468 One.com A/S

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover77.111.240.180
🔶 Autoconfig77.111.240.180

🔷 AAAA Records (IPv6)#

1 records   4560ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a02:2350:5:102:80a6:d2f3:64d1:bb8d 3600s — AS51468 One.com A/S 2a02:2350:0:0:0:0:0:0/32 🇩🇰 Denmark Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   4649ms
TXT Record
facebook-domain-verification=c0tjvgaeoy0nlp4ztig4ra7du2qqf9
v=spf1 mx -all

✉️ SPF#

PolicyRecord (ross-koreskole.dk)
-all (hard fail) v=spf1 mx -all

📨 DMARC#

PolicyRecord (_dmarc.ross-koreskole.dk)
p=quarantine v=DMARC1; p=quarantine; pct=100;

📬 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 2026-10-17 19:06:08
www77.111.240.151 2a02:2350:5:102:be:d607:2d46:e7f5 (AS51468) (address records, no CNAME)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records   1447ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx1.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx2.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx3.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…
SMTP _25._tcp.mx4.mailpod15-cph3.g1i.one.com DANE-EE · SPKI · SHA-256 DB00CDA1DB82CC93CBF96D7D5806F329…

🔐 DNSSEC#

4560ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

1021ms
FieldValue
Serial2026050905
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-11 05:15:40
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2019-10-14
Expires2027-10-31 (371d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
1029ms
A
4560ms
MX
4562ms
AAAA
4560ms
TXT
4649ms
CAA
940ms
HTTPS
4554ms
TLSA
1447ms
SOA
1021ms
MTA-STS
4567ms
DNSSEC
4560ms
SRV
4539ms
Total
23936ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-17 19:06:08 575ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-15 16:38:10 784ms 2 NS 1 A 4 MX 🔒 Secure
2026-10-02 08:29:47 544ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-30 20:14:03 840ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-24 12:01:32 2563ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-16 01:57:16 874ms 2 NS 1 A 4 MX 🔒 Secure
2026-09-07 02:50:52 1292ms 2 NS 1 A 4 MX 🔒 Secure
2026-08-11 07:14:53 5018ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-09 01:37:46 1453ms 2 NS 1 A 4 MX 🔒 Secure
2026-07-06 09:09:48 shown 23936ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-26 04:56:07 861ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-24 03:39:35 1166ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-23 11:32:29 729ms 2 NS 1 A 4 MX 🔒 Secure
2026-06-22 20:22:21 919ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 13:57:03 2564ms 2 NS 1 A 4 MX 🔒 Secure
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