calendra.dk

Records from scan: 2026-10-18 21:43:09 · 896ms total

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

calendra.dk is a .dk domain served by 2 nameservers (gwen.ns.cloudflare.com, johnathan.ns.cloudflare.com). It was registered on 14 August 2026 (WHOIS) and first appeared in the .dk zone on 15 August 2026. Its website address 104.21.93.198 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mailserver.purelymail.com. 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 41ms

Nameserver	IP addresses	PTR	ASN / ISP
gwen.ns.cloudflare.com	108.162.192.160 172.64.32.160 173.245.58.160 2606:4700:50::adf5:3aa0 2803:f800:50::6ca2:c0a0 2a06:98c1:50::ac40:20a0	gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com gwen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
johnathan.ns.cloudflare.com	108.162.195.44 162.159.44.44 172.64.35.44 2606:4700:58::a29f:2c2c 2803:f800:50::6ca2:c32c 2a06:98c1:50::ac40:232c	johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com johnathan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.93.198	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.214.52	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 60ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mailserver.purelymail.com	18.204.123.63	ec2-18-204-123-63.compute-1.amazonaws.com	AS14618 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	eoeuhla8.up.railway.app → 69.46.46.104
🔶 Autoconfig	eoeuhla8.up.railway.app → 69.46.46.104

🔷 AAAA Records (IPv6)#

2 records 54ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:5dc6	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:d634	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.198,172.67.214.52 ech=AEX+DQBBsgAgACCa/+XzVbbQ89NRRqNhUzFBg9cP650+Q3wv9TJJ0FKheQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5dc6,2606:4700:3034::ac43:d634

📝 TXT Records#

2 records 323ms

TXT Record
purelymail_ownership_proof=e5397fdc4a06608a13ed49aed0a24a0ba43c85cd3e305163829ef8ebcfdded26be1784fb3e6cea21f62cc51cfea37efe958a355efbf8c92470f473df659cf31c
v=spf1 include:_spf.purelymail.com ~all

✉️ SPF#

Policy	Record (calendra.dk)
~all (soft fail)	v=spf1 include:_spf.purelymail.com ~all

📨 DMARC#

Policy	Record (_dmarc.calendra.dk)
p=reject	v=DMARC1; p=reject; ruf=mailto:dmarc@purelymail.com

📬 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 2026-10-18 21:43:09

www CNAME	eoeuhla8.up.railway.app (all on railway.app) → 69.46.46.104 (AS400940)
www vs bare domain	Different networks calendra.dk: 104.21.93.198 172.67.214.52 2606:4700:3033::6815:5dc6 2606:4700:3034::ac43:d634 (AS13335) www.calendra.dk: 69.46.46.104 (AS400940) (all like this)
Wildcard	Yes: any name under the zone resolves

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.calendra.dk	eoeuhla8.authorize.railwaydns.net

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

71ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

44ms

Field	Value
Serial	2417752990
Primary NS (MNAME)	gwen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-15 23:41:51

Field	Value
Registrar	ONE.COM A/S
Registered	2026-08-14
Expires	2027-08-13 (298d)

🔗 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#

41ms

60ms

AAAA

54ms

TXT

323ms

CAA

33ms

HTTPS

36ms

TLSA

100ms

SOA

44ms

MTA-STS

136ms

DNSSEC

71ms

SRV

188ms

Total

896ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 21:43:09 shown	896ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-17 21:34:07	715ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-14 16:44:26	1059ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-13 15:23:36	2887ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 13:14:50	883ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 23:22:40	995ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 10:40:39	995ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-15 08:39:53	6429ms	2 NS 2 A 1 MX	🔓 Insecure