unserialized.dk

📜 Historical scan 2026-07-22 13:30:15  ·  ← Latest scan
⬇ 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records   54ms
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   66ms
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   59ms
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   57ms
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   250ms
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#

303ms
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#

latest probe, not this scan · 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#

1 records   111ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

182ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✗ Not found
Flagsunsigned answer

🏷️ SOA#

0ms
FieldValue
Serial2410073854
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
54ms
A
66ms
MX
59ms
AAAA
57ms
TXT
250ms
CAA
66ms
HTTPS
59ms
TLSA
111ms
SOA
0ms
MTA-STS
303ms
DNSSEC
182ms
SRV
105ms
Total
1230ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-25 11:23:03 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 shown 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
dhd.dk [/] search Domains, Hosts & DNS — .dk zone