tifdev.dk

Records from scan: 2026-10-13 03:23:03  ·  1107ms total  ·  last checked 2026-10-25 03:20 (unchanged)
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tifdev.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 10 August 2026 (WHOIS) and first appeared in the .dk zone on 11 August 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records   110ms
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   149ms
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   215ms
TXT Record
t-verify=10cad1fbb19beb9bfe00a52a5466ac78
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

501ms
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#

checked 2026-10-13 03:23:03
wwwNXDOMAIN
www vs bare domainNeither resolves
tifdev.dk: no address
www.tifdev.dk: no address
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.tutanota.de RSA · ~2048 bit
s2 s2.domainkey.tutanota.de 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   49ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · SPKI · SHA-256 5AE0D6DC8A713441003F578C5A1D4D70…
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

169ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

115ms
FieldValue
Serial2026101200
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 06:57:17
FieldValue
RegistrarSimply.com A/S
Registered2026-08-10
Expires2027-08-09 (287d)
📋 WHOIS#

⏱️ Lookup Timing#

NS
110ms
A
127ms
MX
149ms
AAAA
113ms
TXT
215ms
CAA
103ms
HTTPS
101ms
TLSA
49ms
SOA
115ms
MTA-STS
501ms
DNSSEC
169ms
SRV
173ms
Total
1107ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-13 03:23:03 shown 1107ms 3 NS 0 A 1 MX 🔒 Secure
2026-10-04 06:14:25 452ms 3 NS 0 A 1 MX 🔒 Secure
2026-09-09 23:58:39 1024ms 3 NS 0 A 1 MX 🔒 Secure
2026-08-11 08:48:17 4846ms 3 NS 0 A 1 MX 🔒 Secure
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