mkaltoft.dk

📜 Historical scan 2026-06-18 08:23:31 · ← 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 36ms

Nameserver	IP addresses	PTR	ASN / 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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	—	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	—	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	—	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	—	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records#

1 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	—	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 85ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:50c0:8000::153	—	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8001::153	—	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8002::153	—	—	AS54113	Fastly, Inc.	2606:50c0:8000:0:0:0:0:0/46	🇺🇸 United States	—
2606:50c0:8003::153	—	—	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 163ms

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

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

363ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190723
max_age	86400s
Policy MX	mail.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 CNAME	m-kaltoft.github.io (all on github.io) → 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 2606:50c0:8000::153 2606:50c0:8001::153 2606:50c0:8002::153 2606:50c0:8003::153 (AS54113)
www vs bare domain	Same network mkaltoft.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.mkaltoft.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
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#

1 records 62ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.tutanota.de	DANE-EE · Full cert · SHA-256	D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

70ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

34ms

Field	Value
Serial	2026061301
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-18 14:01:35

Field	Value
Registrar	ONE.COM A/S
Registered	2026-04-05
Expires	2027-04-04 (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#

36ms

46ms

AAAA

85ms

TXT

163ms

CAA

100ms

HTTPS

53ms

TLSA

62ms

SOA

34ms

MTA-STS

363ms

DNSSEC

70ms

SRV

177ms

Total

902ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
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	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 shown	902ms	2 NS 4 A 1 MX	🔒 Secure