cotwo.dk

📜 Historical scan 2026-07-27 08:41:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cotwo.dk is a .dk domain served by 3 nameservers (dns1.rackhosting.com, dns2.rackhosting.com, dns3.rackhosting.com). It was registered on 5 September 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.67.170 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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#

3 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.rackhosting.com	77.247.69.212	dns1.rackhosting.com	AS31590 Rackhosting.com ApS
dns2.rackhosting.com	45.32.187.211	dns2.rackhosting.com	AS20473 The Constant Company, LLC
dns3.rackhosting.com	77.247.69.213	dns3.rackhosting.com	AS31590 Rackhosting.com ApS

🌍 A Records#

1 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.67.170	86400s	vps267.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

5 records 46ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	3600s	ASPMX.L.GOOGLE.COM	209.85.233.26 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lr-in-f26.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	3600s	ALT1.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
5	3600s	ALT2.ASPMX.L.GOOGLE.COM	172.253.158.27 2404:6800:4003:c26::1a	so-in-f27.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT3.ASPMX.L.GOOGLE.COM	108.177.125.27 2404:6800:4008:c01::1a	tp-in-f27.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	3600s	ALT4.ASPMX.L.GOOGLE.COM	192.178.230.26 2404:6800:400b:c01b::1a	yunrtab-in-f26.1e100.net yunrtab-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 61ms

Service	Priority	Weight	Port	Target
_imaps._tcp	0	0	993	cotwo.dk

📝 TXT Records#

2 records 232ms

TXT Record
google-site-verification=-JFSVVadQiEFn6P8PMgwxN5-5D7UOdofGqMMOMzvDnk
v=spf1 +a +mx +a:vps267.rackhosting.com -all

✉️ SPF#

Policy	Record (cotwo.dk)
-all (hard fail)	v=spf1 +a +mx +a:vps267.rackhosting.com -all

📨 DMARC#

Policy	Record (_dmarc.cotwo.dk)
p=none (monitor only)	v=DMARC1; p=none

📬 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 2026-10-09 19:34:07

www CNAME	cotwo.dk (all on cotwo.dk) → 77.247.67.170 (AS31590)
www vs bare domain	Same network cotwo.dk: 77.247.67.170 (AS31590) www.cotwo.dk: 77.247.67.170 (AS31590)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cotwo.dk	Q_DKSSVmwFMkYWxE6an9oO-gkXwZA0nQblT0vMHRhCE

🔗 TLSA / DANE#

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

🔐 DNSSEC#

68ms

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	2026072702
Primary NS (MNAME)	dns1.rackhosting.com
Responsible (RNAME)	mic@hugge.space
Refresh	10800s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

WHOIS fetched 2026-10-08 04:00:06

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2017-09-05
Expires	2027-09-30 (348d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

32ms

46ms

AAAA

46ms

TXT

232ms

CAA

34ms

HTTPS

45ms

TLSA

268ms

SOA

0ms

MTA-STS

50ms

DNSSEC

68ms

SRV

61ms

Total

1497ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-02 11:14:16	558ms	3 NS 1 A 5 MX	🔓 Insecure
2026-09-27 06:18:13	2558ms	3 NS 1 A 5 MX	🔓 Insecure
2026-09-26 05:11:18	1499ms	3 NS 1 A 5 MX	🔓 Insecure
2026-09-25 04:58:10	856ms	3 NS 1 A 5 MX	🔓 Insecure
2026-07-27 08:41:50 shown	1497ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-22 17:55:09	711ms	3 NS 1 A 5 MX	🔓 Insecure
2026-06-16 22:36:02	693ms	3 NS 1 A 5 MX	🔓 Insecure