syntropic.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
nico.ns.cloudflare.com	108.162.195.147 162.159.44.147 172.64.35.147 2606:4700:58::a29f:2c93 2803:f800:50::6ca2:c393 2a06:98c1:50::ac40:2393	nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com nico.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
norah.ns.cloudflare.com	108.162.194.70 162.159.38.70 172.64.34.70 2606:4700:50::a29f:2646 2803:f800:50::6ca2:c246 2a06:98c1:50::ac40:2246	norah.ns.cloudflare.com norah.ns.cloudflare.com norah.ns.cloudflare.com norah.ns.cloudflare.com norah.ns.cloudflare.com norah.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records4 records 62ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.199.108.153	300s	cdn-185-199-108-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.109.153	300s	cdn-185-199-109-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.110.153	300s	cdn-185-199-110-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—
185.199.111.153	300s	cdn-185-199-111-153.github.com	AS54113	Fastly, Inc.	185.199.108.0/22	🇺🇸 United States	—

📧 MX Records1 records 90ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx.simply.com	94.231.106.20	mx.simply.com	AS48854 team.blue Denmark A/S

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 311ms

TXT Record
v=spf1 include:spf.simply.com -all

✉️ SPF

Policy	Record (syntropic.dk)
-all (hard fail)	v=spf1 include:spf.simply.com -all

📨 DMARC

Policy	Record (_dmarc.syntropic.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:contact@syntropic.dk; fo=1

📬 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 / DANE2 records 89ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	A9D603AF4D7ED6B9246B4B68500CD6F2…
SMTP _25._tcp.mx.simply.com	DANE-EE · SPKI · SHA-256	97A3BA009F39C761BFFB6574340E8138…

🔐 DNSSEC123ms

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	2412547101
Primary NS (MNAME)	nico.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 RegistrationWHOIS fetched 2026-08-19 09:28:44

Field	Value
Registrar	Simply.com A/S
Registered	2025-12-10
Expires	2026-12-09 (98d)

📋 WHOIS

⏱️ Lookup Timing

NS

49ms

A

62ms

MX

90ms

AAAA

73ms

TXT

311ms

CAA

89ms

HTTPS

54ms

TLSA

89ms

SOA

0ms

MTA-STS

88ms

DNSSEC

123ms

SRV

102ms

Total

1153ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 09:28:09	1153ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-07-22 16:27:07	1802ms	2 NS 4 A 1 MX	🔓 Insecure	View
2026-07-21 09:04:09	1047ms	2 NS 4 A 0 MX	❓ Unknown	View
2026-06-25 12:39:45	689ms	2 NS 0 A 0 MX	🔓 Insecure	View
2026-06-17 22:25:02	12841ms	2 NS 0 A 0 MX	🔓 Insecure	View
2026-06-17 22:01:22	9631ms	2 NS 0 A 0 MX	❓ Unknown	View