build.dk DNS records

🖥️ Nameservers2 records 52ms

Nameserver	IP addresses	PTR	ASN / ISP
aragorn.ns.cloudflare.com	108.162.193.67 172.64.33.67 173.245.59.67 2606:4700:58::adf5:3b43 2803:f800:50::6ca2:c143 2a06:98c1:50::ac40:2143	aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com aragorn.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
julissa.ns.cloudflare.com	108.162.194.105 162.159.38.105 172.64.34.105 2606:4700:50::a29f:2669 2803:f800:50::6ca2:c269 2a06:98c1:50::ac40:2269	julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com julissa.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 41ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.99	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.161.156	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 48ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
50	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	104.21.49.99
🔶 Autoconfig	172.67.161.156

🔷 AAAA Records (IPv6)2 records 62ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:3163	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:a19c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.99,172.67.161.156 ech=AEX+DQBBYQAgACCiXPj/HekqKfXm+fk8uhhqX5SewTv4S7jrJSS/ZkhefgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:3163,2606:4700:3033::ac43:a19c

📝 TXT Records4 records 290ms

TXT Record
kupm6jj4rvgrmoftdqigpbv7ce
purelymail_ownership_proof=2c403dd8428be823a864ece9734a81672983afb9747b50220655ffc88220888d9b306e128c318f9fcd9a073557672eb54079d58c3f81cd9abdd5a3fb5242f475
v=DMARC1; p=none;
v=spf1 include:_spf.purelymail.com ~all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.build.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

🔗 TLSA / DANE

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

🔐 DNSSEC90ms

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	2412668291
Primary NS (MNAME)	aragorn.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

52ms

A

41ms

MX

48ms

AAAA

62ms

TXT

290ms

CAA

53ms

HTTPS

65ms

TLSA

93ms

SOA

0ms

MTA-STS

79ms

DNSSEC

90ms

SRV

126ms

Total

889ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 13:41:20	889ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-28 00:44:06	9727ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-20 23:04:10	6087ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-10 21:47:45	2790ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-22 07:27:44	1139ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:43:35	537ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 17:40:10	633ms	2 NS 2 A 1 MX	🔓 Insecure	View