securestud.dk

📜 Historical scan 2026-07-01 21:01:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

securestud.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 January 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.158.133.1 is hosted by Cloudflare, Inc. (AS13335) in Germany. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 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#

3 records 51ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.simply.com	2a02:2339:1:15c::4562:4562 91.197.248.78	ns1.simply.com ns1.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns2.simply.com	185.25.141.15 2a02:2339:4006:101::4562:4562	ns2.simply.com ns2.simply.com	AS48854 team.blue Denmark A/S AS48854 team.blue Denmark A/S
ns3.simply.com	91.197.248.79	ns3.simply.com	AS48854 team.blue Denmark A/S

🌍 A Records#

1 records 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.158.133.1	300s	lovable-app-cd-1-4.p.l5e.io	AS13335	Cloudflare, Inc.	185.158.133.0/24	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

5 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	aspmx.l.google.com	2a00:1450:4010:c0e::1a 2a00:1450:4010:c0e::1a 64.233.165.27	lu-in-x1a.1e100.net lu-in-f26.1e100.net lg-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	3600s	alt2.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	185.20.205.61
🔶 Autoconfig	maildiscover.simply.com → 94.231.108.222

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 49ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	10	10	443	maildiscover.simply.com

📝 TXT Records#

2 records 79ms

TXT Record
google-site-verification=ykXpzTvvmc_LxDYSQYQ0Pi0WP1WhYG39HSWgMK8E_Kw
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

Policy	Record (securestud.dk)
-all (hard fail)	v=spf1 include:_spf.google.com include:spf.simply.com -all

📨 DMARC#

Policy	Record (_dmarc.securestud.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.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 2026-10-08 02:50:19

www	185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domain	Same network securestud.dk: 185.158.133.1 (AS13335) www.securestud.dk: 185.158.133.1 (AS13335)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 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#

122ms

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

🏷️ SOA#

39ms

Field	Value
Serial	2026030405
Primary NS (MNAME)	ns1.simply.com
Responsible (RNAME)	hostmaster@simply.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-06 07:28:56

Field	Value
Registrar	Simply.com A/S
Registered	2026-01-28
Expires	2027-01-27 (96d)

📋 WHOIS#

⏱️ Lookup Timing#

51ms

37ms

AAAA

36ms

TXT

79ms

CAA

45ms

HTTPS

27ms

TLSA

140ms

SOA

39ms

MTA-STS

54ms

DNSSEC

122ms

SRV

49ms

Total

2126ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-08 02:50:19	561ms	3 NS 1 A 5 MX	🔒 Secure
2026-10-04 01:23:26	612ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-30 01:06:55	482ms	3 NS 1 A 5 MX	🔒 Secure
2026-07-01 21:01:52 shown	2126ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-23 10:49:36	899ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 01:36:04	1250ms	3 NS 1 A 5 MX	🔒 Secure