securestud.dk

Records from scan: 2026-10-08 02:50:19  ·  561ms total  ·  last checked 2026-10-23 15:55 (unchanged)
⬇ 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   40ms

🌍 A Records#

1 records   43ms

📧 MX Records#

5 records   35ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover185.20.205.61
🔶 Autoconfigmaildiscover.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   71ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

2 records   158ms
TXT Record
google-site-verification=ykXpzTvvmc_LxDYSQYQ0Pi0WP1WhYG39HSWgMK8E_Kw
v=spf1 include:_spf.google.com include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_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#

checked 2026-10-08 02:50:19
www185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
securestud.dk: 185.158.133.1 (AS13335)
www.securestud.dk: 185.158.133.1 (AS13335)
WildcardYes: any name under the zone resolves
Denial of existenceNSEC zone can be walked (all names enumerable)
CDS / CDNSKEYPublished: 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#

63ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

22ms
FieldValue
Serial2026100300
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-06 07:28:56
FieldValue
RegistrarSimply.com A/S
Registered2026-01-28
Expires2027-01-27 (95d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
40ms
A
43ms
MX
35ms
AAAA
23ms
TXT
158ms
CAA
23ms
HTTPS
31ms
TLSA
70ms
SOA
22ms
MTA-STS
50ms
DNSSEC
63ms
SRV
71ms
Total
561ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-08 02:50:19 shown 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 1250ms 3 NS 1 A 5 MX 🔒 Secure
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