singleplus.dk

📜 Historical scan 2026-09-03 11:52:51 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

singleplus.dk is a .dk domain served by 2 nameservers (connie.ns.cloudflare.com, drew.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.146 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.improvmx.com, mx2.improvmx.com. 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 43ms

Nameserver	IP addresses	PTR	ASN / ISP
connie.ns.cloudflare.com	108.162.192.247 172.64.32.247 173.245.58.247 2606:4700:50::adf5:3af7 2803:f800:50::6ca2:c0f7 2a06:98c1:50::ac40:20f7	connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
drew.ns.cloudflare.com	108.162.193.160 172.64.33.160 173.245.59.160 2606:4700:58::adf5:3ba0 2803:f800:50::6ca2:c1a0 2a06:98c1:50::ac40:21a0	drew.ns.cloudflare.com drew.ns.cloudflare.com drew.ns.cloudflare.com drew.ns.cloudflare.com drew.ns.cloudflare.com drew.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.146	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.138	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 45ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.improvmx.com	13.37.195.136 15.236.236.160 2a05:d012:412:e201:88aa:e7b9:7a43:12d7 2a05:d012:412:e202:f36:2c1f:1a49:d38a 2a05:d012:412:e203:373a:f51a:4a85:1d25 35.181.18.45	ec2-13-37-195-136.eu-west-3.compute.amazonaws.com ec2-15-236-236-160.eu-west-3.compute.amazonaws.com — — — ec2-35-181-18-45.eu-west-3.compute.amazonaws.com	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
20	300s	mx2.improvmx.com	13.36.107.63 13.36.222.39 15.236.61.92 2a05:d012:412:e201:1f6e:f6e4:8fd7:4678 2a05:d012:412:e202:e81e:cc44:3b53:8a3d 2a05:d012:412:e203:7e33:3d9c:28d7:ee20	ec2-13-36-107-63.eu-west-3.compute.amazonaws.com ec2-13-36-222-39.eu-west-3.compute.amazonaws.com ec2-15-236-61-92.eu-west-3.compute.amazonaws.com — — —	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.singleplus.dk

🔷 AAAA Records (IPv6)#

2 records 49ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:892	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:bc8a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 49ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.146,172.67.188.138 ech=AEX+DQBBbgAgACC2ne5c2RwiOyl2eNRuqD8JjQuu/lHzV6bvmJnAvsyTJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:892,2606:4700:3034::ac43:bc8a

📝 TXT Records#

1 records 184ms

TXT Record
v=spf1 a mx include:mailgun.org include:helpscoutemail.com include:customeriomail.com include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (singleplus.dk)
~all (soft fail)	v=spf1 a mx include:mailgun.org include:helpscoutemail.com include:customeriomail.com include:spf.improvmx.com ~all

📨 DMARC#

Policy	Record (_dmarc.singleplus.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 2026-10-11 06:24:57

www	104.21.8.146 172.67.188.138 2606:4700:3030::6815:892 2606:4700:3034::ac43:bc8a (AS13335) (address records, no CNAME)
www vs bare domain	Same network singleplus.dk: 104.21.8.146 172.67.188.138 2606:4700:3030::6815:892 2606:4700:3034::ac43:bc8a (AS13335) www.singleplus.dk: 104.21.8.146 172.67.188.138 2606:4700:3030::6815:892 2606:4700:3034::ac43:bc8a (AS13335)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
s1	—	RSA · ~1024 bit below 2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 12/10 · policy: ~all

error 12 DNS lookups: the limit is 10, so a receiver whose evaluation gets past the 10th returns permerror (SPF fails)

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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	2413262210
Primary NS (MNAME)	connie.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#

43ms

42ms

45ms

AAAA

49ms

TXT

184ms

CAA

49ms

HTTPS

49ms

TLSA

98ms

SOA

0ms

MTA-STS

60ms

DNSSEC

71ms

SRV

67ms

Total

851ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-29 15:52:19	763ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-23 18:43:36	2494ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-11 23:02:36	891ms	2 NS 2 A 2 MX	🔓 Insecure
2026-09-03 11:52:51 shown	851ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-27 15:25:50	1430ms	2 NS 2 A 2 MX	🔓 Insecure
2026-08-26 14:35:25	854ms	2 NS 2 A 2 MX	🔓 Insecure
2026-07-11 04:07:40	1659ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-20 03:07:56	1684ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-18 19:16:22	7641ms	2 NS 2 A 2 MX	🔓 Insecure
2026-06-17 13:28:48	3693ms	2 NS 2 A 2 MX	🔓 Insecure