srosendahl.dk

📜 Historical scan 2026-10-02 21:57:06  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

srosendahl.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 27 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.tutanota.de. 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   27ms
NameserverIP addressesPTRASN / 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#

🌍
No A records found

📧 MX Records#

1 records   42ms
PriorityTTLMail ServerIP addressesPTRASN
10 3600s mail.tutanota.de 185.205.69.211
185.205.69.213
185.205.69.214		 mail.w11.tutanota.de
mail.w13.tutanota.de
mail.w14.tutanota.de		 AS210909 Tutao GmbH
AS210909 Tutao GmbH
AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   135ms
TXT Record
t-verify=3f73da820fef654ffe8d6f79f7215473
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

PolicyRecord (srosendahl.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de -all

📨 DMARC#

PolicyRecord (_dmarc.srosendahl.dk)
p=quarantine v=DMARC1; p=quarantine; adkim=s

📬 MTA-STS#

206ms
CheckResult
Status⚠️ Invalid
TXT record (_mta-sts)✓ Found
HTTPS policy✗ Missing / invalid
Policy ID20190723
Policy MX—

📈 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 2026-10-12 07:19:59
www103.168.172.37 103.168.172.52 (AS151847) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   106ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…
SMTP _25._tcp.mail.tutanota.de DANE-EE · SPKI · SHA-256 5AE0D6DC8A713441003F578C5A1D4D70…

🔐 DNSSEC#

68ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

50ms
FieldValue
Serial2026100200
Primary NS (MNAME)ns1.simply.com
Responsible (RNAME)hostmaster@simply.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)3600s

📋 Registration#

WHOIS fetched 2026-10-05 22:49:57
FieldValue
RegistrarSimply.com A/S
Registered2024-01-27
Expires2027-01-26 (92d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
27ms
A
41ms
MX
42ms
AAAA
42ms
TXT
135ms
CAA
25ms
HTTPS
46ms
TLSA
106ms
SOA
50ms
MTA-STS
206ms
DNSSEC
68ms
SRV
67ms
Total
640ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-12 07:19:59 2470ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-05 22:20:03 4280ms 2 NS 2 A 2 MX 🔓 Insecure
2026-10-02 21:57:06 shown 640ms 3 NS 0 A 1 MX 🔒 Secure
2026-09-17 03:05:30 885ms 3 NS 0 A 1 MX 🔒 Secure
2026-08-26 14:40:41 1029ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-25 02:59:24 565ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-21 16:04:29 988ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-21 03:45:02 653ms 3 NS 0 A 1 MX 🔒 Secure
2026-06-17 13:37:05 2586ms 3 NS 0 A 1 MX 🔒 Secure
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