sikro.dk

📜 Historical scan 2026-08-15 14:05:26 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

sikro.dk is a .dk domain served by 4 nameservers (dns1.p05.nsone.net, dns2.p05.nsone.net, dns3.p05.nsone.net and 1 more). It was registered on 18 June 2026 (WHOIS) and first appeared in the .dk zone on 19 June 2026. Its website address 35.157.26.135 is hosted by Amazon.com, Inc. (AS16509) in Germany. Mail is handled by mx1.improvmx.com, mx2.improvmx.com. The zone is not DNSSEC-signed, has no 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#

4 records 70ms

Nameserver	IP addresses	PTR	ASN / ISP
dns1.p05.nsone.net	198.51.44.5 2620:4d:4000:6259:7:5:0:1	dns1.p05.nsone.net —	AS62597 NSONE Inc AS62597 NSONE Inc
dns2.p05.nsone.net	198.51.45.5 2a00:edc0:6259:7:5::2	dns2.p05.nsone.net dns2.p05.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns3.p05.nsone.net	198.51.44.69 2620:4d:4000:6259:7:5:0:3	dns3.p05.nsone.net dns3.p05.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc
dns4.p05.nsone.net	198.51.45.69 2a00:edc0:6259:7:5::4	dns4.p05.nsone.net dns4.p05.nsone.net	AS62597 NSONE Inc AS62597 NSONE Inc

🌍 A Records#

2 records 85ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
35.157.26.135	120s	ec2-35-157-26-135.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	35.156.0.0/14	🇩🇪 Germany	Frankfurt am Main
63.176.8.218	120s	ec2-63-176-8-218.eu-central-1.compute.amazonaws.com	AS16509	Amazon.com, Inc.	63.176.0.0/12	🇩🇪 Germany	Frankfurt am Main

📧 MX Records#

2 records 63ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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.

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

1 records 299ms

TXT Record
v=spf1 include:spf.improvmx.com ~all

✉️ SPF#

Policy	Record (sikro.dk)
~all (soft fail)	v=spf1 include:spf.improvmx.com ~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 2026-10-09 23:42:29

www	5.186.164.216 (AS44869) (address records, no CNAME)
www vs bare domain	Same network sikro.dk: 5.186.164.216 (AS44869) www.sikro.dk: 5.186.164.216 (AS44869)
Wildcard	Yes: any name under the zone resolves
Denial of existence	NSEC zone can be walked (all names enumerable)
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

141ms

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	1786715262
Primary NS (MNAME)	dns1.p01.nsone.net
Responsible (RNAME)	domains+netlify@netlify.com
Refresh	43200s
Retry	7200s
Expire	1209600s
Minimum (neg-cache TTL)	3600s

📋 Registration#

WHOIS fetched 2026-10-11 22:08:07

Field	Value
Registrar	INTERNET 123 ApS
Registered	2026-06-18
Expires	2027-06-17 (243d)

🔗 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
majkilde.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

70ms

85ms

63ms

AAAA

80ms

TXT

299ms

CAA

61ms

HTTPS

81ms

TLSA

78ms

SOA

0ms

MTA-STS

87ms

DNSSEC

141ms

SRV

16054ms

Total

17382ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 11:16:31	813ms	3 NS 1 A 3 MX	🔒 Secure
2026-08-23 20:11:55	1959ms	3 NS 1 A 1 MX	🔒 Secure
2026-08-15 14:05:26 shown	17382ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-21 00:55:06	3341ms	4 NS 2 A 2 MX	🔓 Insecure
2026-06-19 08:39:08	578ms	3 NS 0 A 0 MX	🔒 Secure