isosafe.dk

Records from scan: 2026-10-22 10:30:20  ·  513ms total  ·  last checked 2026-10-24 21:46 (unchanged)
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isosafe.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 16 December 2025 (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 United Arab Emirates. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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   30ms

🌍 A Records#

1 records   31ms

📧 MX Records#

1 records   27ms

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔶 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   50ms
ServicePriorityWeightPortTarget
_autodiscover._tcp 10 10 443 maildiscover.simply.com

📝 TXT Records#

1 records   94ms
TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF#

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

📨 DMARC#

PolicyRecord (_dmarc.isosafe.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 2026-10-22 10:30:20
www185.158.133.1 (AS13335) (address records, no CNAME)
www vs bare domainSame network
isosafe.dk: 185.158.133.1 (AS13335)
www.isosafe.dk: 185.158.133.1 (AS13335)
WildcardNo
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

✍️ DKIM keys#

2 found
SelectorCNAMEKey
s1 s1.domainkey.u53539155.wl156.sendgrid.net RSA · ~2048 bit
s2 s2.domainkey.u53539155.wl156.sendgrid.net RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   42ms
Service / OwnerTypeCert association
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 4B949F05A63FED95FC94B3A83DD70167…
SMTP _25._tcp.mx.simply.com DANE-EE · SPKI · SHA-256 97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC#

110ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsunsigned answer

🏷️ SOA#

23ms
FieldValue
Serial2026100301
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-04 07:08:49
FieldValue
RegistrarSimply.com A/S
Registered2025-12-16
Expires2026-12-15 (50d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
31ms
MX
27ms
AAAA
27ms
TXT
94ms
CAA
22ms
HTTPS
28ms
TLSA
42ms
SOA
23ms
MTA-STS
42ms
DNSSEC
110ms
SRV
50ms
Total
513ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-22 10:30:20 shown 513ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-04 06:57:59 467ms 3 NS 1 A 1 MX 🔓 Insecure
2026-10-01 06:54:31 629ms 3 NS 1 A 1 MX 🔓 Insecure
2026-09-30 07:19:58 649ms 3 NS 1 A 1 MX 🔓 Insecure
2026-08-26 17:55:49 574ms 3 NS 1 A 1 MX 🔓 Insecure
2026-07-09 22:20:11 943ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-27 03:34:41 620ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-26 13:40:54 646ms 3 NS 1 A 1 MX 🔓 Insecure
2026-06-18 05:52:09 596ms 3 NS 1 A 1 MX 🔓 Insecure
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