securestud.dk

📜 Historical scan 2026-06-18 01:36:04 · ← 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. 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 175ms

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 126ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.158.133.1	—	lovable-app-cd-1-4.p.l5e.io	AS13335	—	—	—	—

📧 MX Records#

5 records 126ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	142.251.9.26 2a00:1450:4025:c01::1b	rc-in-f26.1e100.net rd-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	192.178.211.26 2404:6800:4000:1025::1b	lcbomp-in-f26.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.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 422ms

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

📝 TXT Records#

2 records 555ms

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#

189ms

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

🏷️ SOA#

119ms

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#

175ms

126ms

AAAA

136ms

TXT

555ms

CAA

129ms

HTTPS

124ms

TLSA

126ms

SOA

119ms

MTA-STS

117ms

DNSSEC

189ms

SRV

422ms

Total

1250ms

🕐 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	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 shown	1250ms	3 NS 1 A 5 MX	🔒 Secure