openflow.dk DNS records

🖥️ Nameservers2 records 34ms

Nameserver	IP addresses	PTR	ASN / ISP
emerson.ns.cloudflare.com	108.162.195.96 162.159.44.96 172.64.35.96 2606:4700:58::a29f:2c60 2803:f800:50::6ca2:c360 2a06:98c1:50::ac40:2360	emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com emerson.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
natasha.ns.cloudflare.com	108.162.194.117 162.159.38.117 172.64.34.117 2606:4700:50::a29f:2675 2803:f800:50::6ca2:c275 2a06:98c1:50::ac40:2275	natasha.ns.cloudflare.com natasha.ns.cloudflare.com natasha.ns.cloudflare.com natasha.ns.cloudflare.com natasha.ns.cloudflare.com natasha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 35ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.69.213	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.94	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records5 records 26ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4001:c01::1b	so-in-f26.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
0	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
1	300s	aspmx.l.google.com	173.194.222.27 2a00:1450:4010:c1e::1b	lo-in-f27.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1a	lcdels-in-f27.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:45d5	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:d55e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.69.213,172.67.213.94 ech=AEX+DQBB/gAgACAnuCLIXezknBDnLGwSJB4sSOJ0J0KiFt51ZX5amyeyPgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:45d5,2606:4700:3035::ac43:d55e

📝 TXT Records2 records 156ms

TXT Record
MS=ms94023882
v=spf1 include:_spf.google.com include:sendgrid.net include:u3802857.wl108.sendgrid.net ~all

✉️ SPF

Policy	Record (openflow.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:sendgrid.net include:u3802857.wl108.sendgrid.net ~all

📨 DMARC

✗ No DMARC record — mail spoofing not restricted

📬 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)

🔐 DNSSEC104ms

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	2413389178
Primary NS (MNAME)	emerson.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

34ms

A

35ms

MX

26ms

AAAA

28ms

TXT

156ms

CAA

44ms

HTTPS

42ms

TLSA

124ms

SOA

0ms

MTA-STS

47ms

DNSSEC

104ms

SRV

44ms

Total

825ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 10:40:30	825ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-27 09:11:02	784ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-26 09:05:32	1307ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-08-16 22:50:14	1465ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 15:38:15	1177ms	2 NS 2 A 5 MX	🔓 Insecure	View