demail.dk

Records from scan: 2026-10-10 00:17:45 · 1278ms total · last checked 2026-10-17 12:45 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

demail.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 October 2007 (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.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, 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 40ms

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 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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#

2 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	43200s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	43200s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

4 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
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 223ms

TXT Record
protonmail-verification=3c4507cfb5f9a36cdad02a276d24a3619986d8e6
v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (demail.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.demail.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

checked 2026-10-10 00:17:45

www CNAME	demail.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 demail.dk: 185.199.108.153 185.199.109.153 185.199.110.153 185.199.111.153 (AS54113) www.demail.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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 275ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC#

104ms

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

🏷️ SOA#

34ms

Field	Value
Serial	2026100901
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 2026-10-10 00:39:18

Field	Value
Registrar	ONE.COM A/S
Registered	2007-10-22
Expires	2028-10-31 (744d)

📋 WHOIS#

⏱️ Lookup Timing#

40ms

33ms

39ms

AAAA

37ms

TXT

223ms

CAA

98ms

HTTPS

30ms

TLSA

275ms

SOA

34ms

MTA-STS

106ms

DNSSEC

104ms

SRV

92ms

Total

1278ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 00:17:45 shown	1278ms	2 NS 4 A 2 MX	🔒 Secure
2026-10-02 16:24:12	3628ms	2 NS 4 A 2 MX	🔒 Secure
2026-09-27 15:26:44	878ms	2 NS 4 A 2 MX	🔒 Secure
2026-09-23 21:13:32	884ms	2 NS 4 A 2 MX	🔒 Secure
2026-09-10 08:16:27	1310ms	2 NS 4 A 2 MX	🔒 Secure
2026-08-31 15:00:08	2891ms	2 NS 4 A 2 MX	🔒 Secure
2026-08-09 13:32:22	3168ms	2 NS 4 A 2 MX	🔒 Secure
2026-07-10 23:50:11	1238ms	2 NS 4 A 2 MX	🔒 Secure
2026-07-01 23:33:12	749ms	2 NS 4 A 2 MX	🔒 Secure
2026-06-17 01:41:23	2825ms	2 NS 4 A 2 MX	🔒 Secure
2026-06-17 01:40:12	650ms	2 NS 4 A 2 MX	🔒 Secure