dagu.dk DNS records

🖥️ Nameservers2 records 103ms

Nameserver	IP addresses	PTR	ASN / ISP
aurora.ns.cloudflare.com	108.162.194.110 162.159.38.110 172.64.34.110 2606:4700:50::a29f:266e 2803:f800:50::6ca2:c26e 2a06:98c1:50::ac40:226e	aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com aurora.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
miguel.ns.cloudflare.com	108.162.195.95 162.159.44.95 172.64.35.95 2606:4700:58::a29f:2c5f 2803:f800:50::6ca2:c35f 2a06:98c1:50::ac40:235f	miguel.ns.cloudflare.com miguel.ns.cloudflare.com miguel.ns.cloudflare.com miguel.ns.cloudflare.com miguel.ns.cloudflare.com miguel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 132ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.82.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.153.143	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	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

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	172.67.153.143
🔶 Autoconfig	172.67.153.143

🔷 AAAA Records (IPv6)2 records 93ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5233	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:998f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 95ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.82.51,172.67.153.143 ech=AEX+DQBBswAgACDJ6Ozt2On3FtpkpCo4zWeuf5nMGat87ai9ydqxcLgZWwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5233,2606:4700:3033::ac43:998f

📝 TXT Records2 records 446ms

TXT Record
t-verify=cfc988d42c3330686afc5ab147584b37
v=spf1 include:spf.tutanota.de -all

✉️ SPF

Policy	Record (dagu.dk)
-all (hard fail)	v=spf1 include:spf.tutanota.de -all

📨 DMARC

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

📬 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

🔗 TLSA / DANE1 records 231ms

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

🔐 DNSSEC237ms

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	2413407743
Primary NS (MNAME)	aurora.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

103ms

A

132ms

MX

120ms

AAAA

93ms

TXT

446ms

CAA

99ms

HTTPS

95ms

TLSA

231ms

SOA

0ms

MTA-STS

167ms

DNSSEC

237ms

SRV

185ms

Total

1520ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 07:45:27	1520ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 00:31:30	1566ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-17 11:03:41	1256ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-15 11:17:09	3999ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-02 14:12:09	26797ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 09:38:24	1169ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 02:19:04	1076ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:50:15	428ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 23:41:15	562ms	2 NS 2 A 1 MX	🔓 Insecure	View