mkaltoft.dk

📜 Historical scan 2026-09-25 13:02:33  ·  ← Latest scan
⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mkaltoft.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.199.108.153 is hosted by Fastly, Inc. (AS54113) in United States. Mail is handled by mail.tutanota.de. The zone is DNSSEC-signed and validates, 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   33ms
NameserverIP addressesPTRASN / ISP
ns01.one.com 195.206.121.10
2001:67c:28cc::10		 ns01.one.com
ns01.one.com		 AS197495 One.com A/S
AS197495 One.com A/S
ns02.one.com 185.10.11.10
2001:67c:3c0::10		 ns02.one.com
ns02.one.com		 AS51468 One.com A/S
AS51468 One.com A/S

🌍 A Records#

4 records   48ms
IPTTLPTRASNISP / OrgCIDRCountryCity
185.199.108.153 3600s cdn-185-199-108-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.109.153 3600s cdn-185-199-109-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.110.153 3600s cdn-185-199-110-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —
185.199.111.153 3600s cdn-185-199-111-153.github.com AS54113 Fastly, Inc. 185.199.108.0/22 🇺🇸 United States —

📧 MX Records#

1 records   38ms
PriorityTTLMail ServerIP addressesPTRASN
0 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)#

4 records   43ms
IPv6 AddressTTLPTRASNISP / OrgCIDRCountryCity
2606:50c0:8000::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8001::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8002::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —
2606:50c0:8003::153 3600s — AS54113 Fastly, Inc. 2606:50c0:8000:0:0:0:0:0/46 🇺🇸 United States —

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records   160ms
TXT Record
t-verify=5d74cf8fb6b37a53ce3b140ebd4f7d21
v=spf1 include:spf.tutanota.de include:_custspf.one.com -all

✉️ SPF#

PolicyRecord (mkaltoft.dk)
-all (hard fail) v=spf1 include:spf.tutanota.de include:_custspf.one.com -all

📨 DMARC#

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

📬 MTA-STS#

375ms
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 2026-10-14 03:35:26
www CNAMEm-kaltoft.github.io (all on github.io)
www vs bare domainSame network
WildcardNo
Denial of existenceNSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEYNone 0 CDS, 0 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: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

2 records   149ms
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#

114ms
CheckResult
Validation Status🔒 Secure
AD Flag (resolver validates)✓ Set
DS Record✓ Found
DNSKEY Record✓ Found
Flagsfully validated

🏷️ SOA#

0ms
FieldValue
Serial2026091201
Primary NS (MNAME)ns01.one.com
Responsible (RNAME)hostmaster@one.com
Refresh14400s
Retry3600s
Expire1209600s
Minimum (neg-cache TTL)600s

📋 Registration#

WHOIS fetched 2026-10-18 14:01:35
FieldValue
RegistrarONE.COM A/S
Registered2026-04-05
Expires2027-04-04 (166d)

🔗 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
33ms
A
48ms
MX
38ms
AAAA
43ms
TXT
160ms
CAA
43ms
HTTPS
45ms
TLSA
149ms
SOA
0ms
MTA-STS
375ms
DNSSEC
114ms
SRV
86ms
Total
1059ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
2026-10-14 03:35:26 1732ms 2 NS 4 A 1 MX 🔒 Secure
2026-10-03 14:43:03 5187ms 2 NS 4 A 1 MX 🔒 Secure
2026-09-25 13:02:33 shown 1059ms 2 NS 4 A 1 MX 🔒 Secure
2026-09-13 02:30:04 1727ms 2 NS 4 A 1 MX 🔒 Secure
2026-09-01 11:48:42 1204ms 2 NS 4 A 1 MX 🔒 Secure
2026-08-14 09:32:00 5358ms 2 NS 4 A 1 MX 🔒 Secure
2026-08-07 21:03:42 5088ms 2 NS 4 A 1 MX 🔒 Secure
2026-07-15 01:42:04 1225ms 2 NS 4 A 1 MX 🔒 Secure
2026-06-18 08:23:31 902ms 2 NS 4 A 1 MX 🔒 Secure
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