grindsted-gym.dk

📜 Historical scan 2026-06-17 10:06:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

grindsted-gym.dk is a .dk domain served by 2 nameservers (ns1.curanet.dk, ns2.curanet.dk). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 3.125.228.140 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by grindstedgym-dk02c.mail.protection.outlook.com. 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 80ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.curanet.dk	185.25.141.12 2a02:2339:4006:108::123	ns1.curanet.dk ns1.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.curanet.dk	2a02:2339:1:10f::123:123 91.197.248.75	ns2.curanet.dk ns2.curanet.dk	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 81ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
3.125.228.140	—	ec2-3-125-228-140.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	3.96.0.0/11	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

1 records 86ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	grindstedgym-dk02c.mail.protection.outlook.com	2a01:111:f403:ca04:: 2a01:111:f403:ca09::4 2a01:111:f403:ca09::6 2a01:111:f403:ca09::f 52.101.68.15 52.101.68.36 52.101.73.12 52.101.73.28	mail-db3pr0202cu00100.inbound.protection.outlook.com mail-am0pr04cu00504.inbound.protection.outlook.com mail-am4pr0401cu00106.inbound.protection.outlook.com mail-am7pr05cu00307.inbound.protection.outlook.com mail-db6pr03cu00107.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com mail-am4pr0401cu00104.inbound.protection.outlook.com mail-am7pr05cu00204.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 306ms

TXT Record
inst=Grindsted Gymnasium og HF-Kursus
MS=ms31089889
SOA=1597832558
v=spf1 include:spf.protection.outlook.com ip4:91.236.210.16 ip4:91.236.210.19 a:smtpout.grindsted-gym.dk -all

✉️ SPF#

Policy	Record (grindsted-gym.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com ip4:91.236.210.16 ip4:91.236.210.19 a:smtpout.grindsted-gym.dk -all

📨 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 2026-10-12 19:11:43

www	3.125.228.140 (AS16509) (address records, no CNAME)
www vs bare domain	Same network grindsted-gym.dk: 3.125.228.140 (AS16509) www.grindsted-gym.dk: 3.125.228.140 (AS16509)
Wildcard	No
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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

233ms

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

🏷️ SOA#

76ms

Field	Value
Serial	2023061501
Primary NS (MNAME)	ns1.curanet.dk
Responsible (RNAME)	hostmaster@curanet.dk
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	300s

📋 Registration#

WHOIS fetched 2026-10-13 00:39:08

Field	Value
Registrar	CURANET A/S
Registered	1998-02-16
Expires	2027-03-31 (157d)

🔗 Same registrant#

4 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).

Domain	Registrar
erhvervsgymnasietgrindsted.dk	CURANET A/S
ggeselev.dk	CURANET A/S
ggnet.dk	CURANET A/S
grindstedgym.dk	CURANET A/S

📋 WHOIS#

⏱️ Lookup Timing#

80ms

81ms

86ms

AAAA

86ms

TXT

306ms

CAA

84ms

HTTPS

77ms

TLSA

450ms

SOA

76ms

MTA-STS

89ms

DNSSEC

233ms

SRV

0ms

Total

1447ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-01 05:30:53	632ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 09:56:00	960ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-29 14:35:33	2037ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 23:52:38	2982ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-04 06:32:21	1351ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-26 08:52:34	1525ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-21 04:19:57	864ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-19 18:49:14	857ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:06:35 shown	1447ms	2 NS 1 A 1 MX	🔒 Secure