symo.dk

📜 Historical scan 2026-08-25 18:51:39 · ← 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 was registered on 12 July 2026 (WHOIS) and 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 40ms

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 48ms

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 63ms

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

🔷 AAAA Records (IPv6)#

2 records 58ms

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 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.9.33,172.67.141.106 ech=AEX+DQBBfwAgACAl533IcYXJW6qRoWgs+SnvMJ2J4HeTQMoPUhdZ2CFeYgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:921,2606:4700:3035::ac43:8d6a

📝 TXT Records#

1 records 215ms

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#

89ms

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#

WHOIS fetched 2026-10-21 10:53:22

Field	Value
Registrar	ONE.COM A/S
Registered	2026-07-12
Expires	2027-07-11 (262d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
rasmatik.dk	ONE.COM A/S

📋 WHOIS#

⏱️ Lookup Timing#

40ms

48ms

63ms

AAAA

58ms

TXT

215ms

CAA

45ms

HTTPS

43ms

TLSA

55ms

SOA

0ms

MTA-STS

64ms

DNSSEC

89ms

SRV

75ms

Total

620ms

🕐 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 shown	620ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-09 05:12:07	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