trongaardsskolen.dk

📜 Historical scan 2026-10-03 06:43:36 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

trongaardsskolen.dk is a .dk domain served by 2 nameservers (ns.scannet2.dk, ns2.scannet2.dk). It was registered on 10 June 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 109.238.53.199 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx10.skolekom.dk, mx20.skolekom.dk and 2 more. The zone is DNSSEC-signed and validates, 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 36ms

Nameserver	IP addresses	PTR	ASN / ISP
ns.scannet2.dk	185.25.141.9 2a02:2339:4006:10d::4171:4171	ns1.scannet.dk ns1.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.scannet2.dk	2a02:2339:1:112:0:5:1:b11 91.197.248.72	ns2.scannet.dk ns2.scannet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 30ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
109.238.53.199	3600s	—	AS47292	Sentia Denmark A/S	109.238.48.0/21	🇩🇰 Denmark	—

📧 MX Records#

4 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	1991s	mx10.skolekom.dk	—	—	—
20	1991s	mx20.skolekom.dk	—	—	—
30	1991s	mx30.skolekom.dk	—	—	—
40	1991s	mx40.skolekom.dk	—	—	—

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	109.238.53.199
🔶 Autoconfig	109.238.53.199

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 131ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (trongaardsskolen.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.trongaardsskolen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dc5l3zw9@ag.eu.dmarcadvisor.com;

📬 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 2026-10-07 17:14:59

www	109.238.53.199 (AS47292) (address records, no CNAME)
www vs bare domain	Same network trongaardsskolen.dk: 109.238.53.199 (AS47292) www.trongaardsskolen.dk: 109.238.53.199 (AS47292)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

53ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

19ms

Field	Value
Serial	2021050200
Primary NS (MNAME)	ns.scannet2.dk
Responsible (RNAME)	hostmaster@scannet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-09 02:59:47

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	1999-06-10
Expires	2027-06-30 (249d)

📋 WHOIS#

⏱️ Lookup Timing#

36ms

30ms

34ms

AAAA

41ms

TXT

131ms

CAA

27ms

HTTPS

37ms

TLSA

77ms

SOA

19ms

MTA-STS

37ms

DNSSEC

53ms

SRV

53ms

Total

403ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 17:14:59	419ms	2 NS 1 A 4 MX	🔒 Secure
2026-10-03 06:43:36 shown	403ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-27 04:53:07	478ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-13 17:06:37	24796ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 19:54:57	429ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-24 07:51:47	967ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-19 18:49:35	896ms	2 NS 1 A 4 MX	🔒 Secure
2026-06-18 07:28:01	756ms	2 NS 1 A 4 MX	🔒 Secure