2study.dk

📜 Historical scan 2026-08-11 16:58:10 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

2study.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 146.255.33.84 is hosted by Amazon.com, Inc. (AS16509) in The Netherlands. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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 52ms

Nameserver	IP addresses	PTR	ASN / 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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
146.255.33.84	43200s	84.33.255.146.host.secureserver.net	AS16509	Amazon.com, Inc.	146.255.32.0/22	🇳🇱 The Netherlands	Amsterdam

📧 MX Records#

5 records 51ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	108.177.14.27 2a00:1450:4010:c09::1a 2a00:1450:4010:c09::1a	lt-in-f27.1e100.net lk-in-x1a.1e100.net lk-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx2.googlemail.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	aspmx3.googlemail.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	yukulwh-in-f26.1e100.net mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 154ms

TXT Record
google-site-verification=zex-CyfffgGMgHi2ydZSWg_LXnfALiUNV_uNdmS_9gU

✉️ 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 2026-10-07 17:30:45

www	146.255.33.84 (AS16509) (address records, no CNAME)
www vs bare domain	Same network 2study.dk: 146.255.33.84 (AS16509) www.2study.dk: 146.255.33.84 (AS16509)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔗 TLSA / DANE#

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

🔐 DNSSEC#

90ms

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

🏷️ SOA#

48ms

Field	Value
Serial	2026072501
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-07 20:04:29

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-11-02
Expires	2026-12-31 (74d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

47ms

51ms

AAAA

64ms

TXT

154ms

CAA

47ms

HTTPS

41ms

TLSA

115ms

SOA

48ms

MTA-STS

61ms

DNSSEC

90ms

SRV

59ms

Total

5104ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-25 15:14:20	1101ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-31 11:01:13	1813ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-25 03:38:30	9469ms	2 NS 1 A 5 MX	🔒 Secure
2026-08-11 16:58:10 shown	5104ms	2 NS 1 A 5 MX	🔒 Secure
2026-07-25 12:56:34	1030ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-28 06:44:09	819ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-27 08:52:22	1689ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-27 03:14:55	778ms	2 NS 1 A 5 MX	🔒 Secure
2026-06-16 12:44:26	1133ms	2 NS 1 A 5 MX	🔒 Secure