unserialized.dk

Records from scan: 2026-10-25 11:23:03  ·  1200ms total
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

unserialized.dk is a .dk domain served by 2 nameservers (leah.ns.cloudflare.com, theo.ns.cloudflare.com). It was registered on 13 February 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.40.18.34 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mail.tutanota.de. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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#

2 records   30ms
NameserverIP addressesPTRASN / ISP
leah.ns.cloudflare.com 108.162.192.129
172.64.32.129
173.245.58.129
2606:4700:50::adf5:3a81
2803:f800:50::6ca2:c081
2a06:98c1:50::ac40:2081		 leah.ns.cloudflare.com
leah.ns.cloudflare.com
leah.ns.cloudflare.com
leah.ns.cloudflare.com
leah.ns.cloudflare.com
leah.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
theo.ns.cloudflare.com 108.162.193.144
172.64.33.144
173.245.59.144
2606:4700:58::adf5:3b90
2803:f800:50::6ca2:c190
2a06:98c1:50::ac40:2190		 theo.ns.cloudflare.com
theo.ns.cloudflare.com
theo.ns.cloudflare.com
theo.ns.cloudflare.com
theo.ns.cloudflare.com
theo.ns.cloudflare.com		 AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.
AS13335 Cloudflare, Inc.

🌍 A Records#

1 records   31ms
IPTTLPTRASNISP / OrgCIDRCountryCity
188.40.18.34 300s static.34.18.40.188.clients.your-server.de AS24940 Hetzner Online GmbH 188.40.0.0/16 🇩🇪 Germany —

📧 MX Records#

1 records   35ms
PriorityTTLMail ServerIP addressesPTRASN
1 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

📧 Autodiscover / Autoconfig#

ServiceCNAME / IP
🔷 Autodiscover188.40.18.34
🔶 Autoconfig188.40.18.34

🔷 AAAA Records (IPv6)#

1 records   36ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2a01:4f8:d12:1ecd::2 300s — AS24940 Hetzner Online GmbH 2a01:4f8:0:0:0:0:0:0/31 🇩🇪 Germany —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

3 records   156ms
TXT Record
google-site-verification=kQJrcJ9tcT8CcLGuinElBUxTpnlY_m8wp9PnTq0waPo
t-verify=c495ebbc1875faeb2ff81a7f5e492d20
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

323ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.tutanota.de

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-25 11:23:03
www188.40.18.34 2a01:4f8:d12:1ecd::2 (AS24940) (address records, no CNAME)
www vs bare domainSame network
WildcardYes: any name under the zone resolves

✍️ 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   489ms
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#

99ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

30ms
FieldValue
Serial2415300855
Primary NS (MNAME)leah.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-25 12:29:28
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2014-02-13
Expires2027-02-28 (125d)

🔗 Same registrant#

0 domains

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
30ms
A
31ms
MX
35ms
AAAA
36ms
TXT
156ms
CAA
27ms
HTTPS
27ms
TLSA
489ms
SOA
30ms
MTA-STS
323ms
DNSSEC
99ms
SRV
57ms
Total
1200ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 11:23:03 shown 1200ms 2 NS 1 A 1 MX 🔓 Insecure
2026-10-08 06:32:10 658ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-21 06:19:19 2663ms 2 NS 1 A 1 MX 🔓 Insecure
2026-09-04 00:42:59 796ms 2 NS 1 A 1 MX 🔓 Insecure
2026-08-26 23:02:29 809ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-22 13:30:15 1230ms 2 NS 1 A 1 MX 🔓 Insecure
2026-07-20 22:32:23 1126ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-27 05:53:40 1195ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-22 04:14:13 7690ms 2 NS 1 A 1 MX 🔓 Insecure
2026-06-20 17:15:15 1056ms 0 NS 0 A 0 MX ❓ Unknown
2026-06-17 23:35:30 1475ms 2 NS 1 A 1 MX 🔓 Insecure
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