trompetundervisning.dk

📜 Historical scan 2026-06-21 10:33:10  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

trompetundervisning.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 August 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by .. The zone is DNSSEC-signed and validates, has no 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   130ms

🌍 A Records#

1 records   98ms
IPTTLPTRASNISP / OrgCIDRCountryCity
195.47.247.18 3600s one.com.webforward.g1i.one AS51468 One.com A/S 195.47.247.0/24 — —

📧 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#

✗ 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 21:19:29
www195.47.247.18 (AS51468) (address records, no CNAME)
www vs bare domainSame network
trompetundervisning.dk: 195.47.247.18 (AS51468)
www.trompetundervisning.dk: 195.47.247.18 (AS51468)
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#

161ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026061905
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-17 21:00:51
FieldValue
RegistrarONE.COM A/S
Registered2018-08-16
Expires2027-08-31 (314d)

🔗 Same registrant#

6 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

DomainRegistrar
oebrotrompetstudie.dkONE.COM A/S
solocornet.dkPunktum dk A/S (direct)
suzukimetoden-trompet.dkONE.COM A/S
suzukimetoden.dkONE.COM A/S
svendvermund.dkPunktum dk A/S (direct)
vermund.dkONE.COM A/S
📋 WHOIS#

⏱️ Lookup Timing#

NS
130ms
A
98ms
MX
107ms
AAAA
151ms
TXT
744ms
CAA
733ms
HTTPS
122ms
TLSA
53ms
SOA
0ms
MTA-STS
741ms
DNSSEC
161ms
SRV
704ms
Total
1082ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-18 21:19:29 469ms 2 NS 1 A 1 MX 🔒 Secure
2026-10-17 20:49:55 946ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-30 17:28:32 389ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-29 21:50:07 339ms 2 NS 1 A 1 MX 🔒 Secure
2026-09-23 19:51:33 524ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-27 19:30:21 519ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-26 17:45:09 769ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-19 01:34:22 2577ms 2 NS 1 A 1 MX 🔒 Secure
2026-08-18 01:01:17 925ms 2 NS 1 A 1 MX 🔒 Secure
2026-07-17 09:10:57 572ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-23 19:37:13 474ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-21 10:33:10 shown 1082ms 2 NS 1 A 1 MX 🔒 Secure
2026-06-18 05:10:59 2432ms 2 NS 1 A 0 MX 🔒 Secure
dhd.dk [/] search Domains, Hosts & DNS — .dk zone