symo.dk

📜 Historical scan 2026-08-09 05:12:07 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

symo.dk is a .dk domain served by 2 nameservers (mona.ns.cloudflare.com, porter.ns.cloudflare.com). It first appeared in the .dk zone on 13 July 2026. Its website address 104.21.9.33 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 144ms

Nameserver	IP addresses	PTR	ASN / ISP
mona.ns.cloudflare.com	108.162.192.206 172.64.32.206 173.245.58.206 2606:4700:50::adf5:3ace 2803:f800:50::6ca2:c0ce 2a06:98c1:50::ac40:20ce	mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com mona.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
porter.ns.cloudflare.com	108.162.195.243 162.159.44.243 172.64.35.243 2606:4700:58::a29f:2cf3 2803:f800:50::6ca2:c3f3 2a06:98c1:50::ac40:23f3	porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com porter.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 115ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.9.33	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.141.106	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 111ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 143ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:921	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::ac43:8d6a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 104ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.33,172.67.141.106 ech=AEX+DQBBowAgACBID24affb6hdgHxzrQZ98cruZQ2Uj3FbPh1wyvJ5mMDgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:921,2606:4700:3035::ac43:8d6a

📝 TXT Records#

1 records 248ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (symo.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.symo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:admin@rasmatik.dk

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-19 12:43:58

www	104.21.9.33 172.67.141.106 2606:4700:3035::6815:921 2606:4700:3035::ac43:8d6a (AS13335) (address records, no CNAME)
www vs bare domain	Same network symo.dk: 104.21.9.33 172.67.141.106 2606:4700:3035::6815:921 2606:4700:3035::ac43:8d6a (AS13335) www.symo.dk: 104.21.9.33 172.67.141.106 2606:4700:3035::6815:921 2606:4700:3035::ac43:8d6a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

191ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2411589302
Primary NS (MNAME)	mona.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

144ms

115ms

111ms

AAAA

143ms

TXT

248ms

CAA

122ms

HTTPS

104ms

TLSA

814ms

SOA

0ms

MTA-STS

108ms

DNSSEC

191ms

SRV

133ms

Total

1701ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-16 04:14:39	2173ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-25 18:51:39	620ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 05:12:07 shown	1701ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-01 06:00:37	9043ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-15 16:49:16	1051ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-13 08:38:48	16631ms	1 NS 0 A 0 MX	❓ Unknown