commutus.dk

📜 Historical scan 2026-10-06 09:27:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

commutus.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, damon.ns.cloudflare.com). It was registered on 21 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.29.48 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by arh.commutus.dk. The zone is DNSSEC-signed and validates, has no 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 151ms

Nameserver	IP addresses	PTR	ASN / ISP
brenda.ns.cloudflare.com	108.162.192.77 172.64.32.77 173.245.58.77 2606:4700:50::adf5:3a4d 2803:f800:50::6ca2:c04d 2a06:98c1:50::ac40:204d	brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com brenda.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
damon.ns.cloudflare.com	108.162.193.96 172.64.33.96 173.245.59.96 2606:4700:58::adf5:3b60 2803:f800:50::6ca2:c160 2a06:98c1:50::ac40:2160	damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.ns.cloudflare.com damon.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 142ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.29.48	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.171.103	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 171ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	arh.commutus.dk	91.210.59.26	chap.mail.commutus.dk	AS215052 Din Server Group ApS

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	arh.commutus.dk → 91.210.59.26
🔶 Autoconfig	arh.commutus.dk → 91.210.59.26

🔷 AAAA Records (IPv6)#

2 records 144ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:1d30	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:ab67	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 153ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.29.48,172.67.171.103 ech=AEX+DQBBFwAgACAwOURj7vYIWxuuwjeTsUXfB9HRbzmSmlOLHX1d6c2begAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1d30,2606:4700:3033::ac43:ab67

📝 TXT Records#

1 records 609ms

TXT Record
v=spf1 mx a -all

✉️ SPF#

Policy	Record (commutus.dk)
-all (hard fail)	v=spf1 mx a -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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-14 01:20:43

www	104.21.29.48 172.67.171.103 2606:4700:3033::6815:1d30 2606:4700:3033::ac43:ab67 (AS13335) (address records, no CNAME)
www vs bare domain	Same network commutus.dk: 104.21.29.48 172.67.171.103 2606:4700:3033::6815:1d30 2606:4700:3033::ac43:ab67 (AS13335) www.commutus.dk: 104.21.29.48 172.67.171.103 2606:4700:3033::6815:1d30 2606:4700:3033::ac43:ab67 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

318ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

99ms

Field	Value
Serial	2416697214
Primary NS (MNAME)	brenda.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 01:35:18

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2018-03-21
Expires	2027-03-31 (161d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet

📋 WHOIS#

⏱️ Lookup Timing#

151ms

142ms

171ms

AAAA

144ms

TXT

609ms

CAA

172ms

HTTPS

153ms

TLSA

248ms

SOA

99ms

MTA-STS

215ms

DNSSEC

318ms

SRV

206ms

Total

2106ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 01:20:43	805ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-13 00:35:42	497ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-11 23:47:36	848ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-06 09:27:26 shown	2106ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-02 08:31:08	492ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-28 19:18:06	1456ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 18:33:09	2461ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-17 22:39:00	2387ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-04 00:54:59	2423ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-26 11:56:05	1017ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-24 23:48:49	2044ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-07 13:26:46	16964ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-04 20:11:24	1790ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-17 14:48:12	975ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-08 20:38:41	9030ms	2 NS 2 A 1 MX	🔒 Secure
2026-07-02 13:31:39	942ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-23 14:55:48	822ms	2 NS 2 A 1 MX	🔒 Secure
2026-06-16 21:56:19	624ms	2 NS 2 A 1 MX	🔒 Secure