calendra.dk DNS records

🖥️ Nameservers2 records 236ms

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 Records2 records 217ms

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 Records1 records 265ms

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	d573ik9u.up.railway.app → 69.46.46.16
🔶 Autoconfig	d573ik9u.up.railway.app → 69.46.46.16

🔷 AAAA Records (IPv6)2 records 279ms

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 Records1 records 315ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.93.198,172.67.214.52 ech=AEX+DQBBDAAgACDJ97/zr6EzxmF4bB5xQKnHIDzdZoXnTmhe8btt+I57LgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5dc6,2606:4700:3034::ac43:d634

📝 TXT Records2 records 1069ms

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

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.calendra.dk	d573ik9u.authorize.railwaydns.net
TXT	d573ik9u.authorize.railwaydns.net	TP_PAwSzXJW9ri5m_LqppJOhU9JgOibKd6_X_sVlfuU

🔗 TLSA / DANE

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

🔐 DNSSEC538ms

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

🏷️ SOA0ms

Field	Value
Serial	2412259024
Primary NS (MNAME)	gwen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

236ms

A

217ms

MX

265ms

AAAA

279ms

TXT

1069ms

CAA

294ms

HTTPS

315ms

TLSA

505ms

SOA

0ms

MTA-STS

415ms

DNSSEC

538ms

SRV

379ms

Total

6429ms