dansk-efterisolering.dk

Records from scan: 2026-10-09 10:57:55 · 843ms total · last checked 2026-10-18 23:36 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

dansk-efterisolering.dk is a .dk domain served by 3 nameservers (ns4.dns-123.net, ns5.dns-123.net, ns6.dns-123.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.89.99.87 is hosted by OVH SAS (AS16276) in United Kingdom. Mail is handled by ASPMX.L.GOOGLE.COM, ALT1.ASPMX.L.GOOGLE.COM and 3 more. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

3 records 48ms

Nameserver	IP addresses	PTR	ASN / ISP
ns4.dns-123.net	35.198.132.83	83.132.198.35.bc.googleusercontent.com	AS396982 Google LLC
ns5.dns-123.net	35.187.184.173	173.184.187.35.bc.googleusercontent.com	AS396982 Google LLC
ns6.dns-123.net	35.228.54.1	1.54.228.35.bc.googleusercontent.com	AS396982 Google LLC

🌍 A Records#

1 records 49ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
51.89.99.87	7200s	ns3163776.ip-51-89-99.eu	AS16276	OVH SAS	51.89.0.0/16	🇬🇧 United Kingdom	London

📧 MX Records#

5 records 52ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	7200s	ASPMX.L.GOOGLE.COM	2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 64.233.165.26	lt-in-f26.1e100.net lt-in-x1a.1e100.net lg-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	7200s	ALT1.ASPMX.L.GOOGLE.COM	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	7200s	ALT2.ASPMX.L.GOOGLE.COM	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	7200s	ASPMX3.GOOGLEMAIL.COM	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1b	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	7200s	ASPMX4.GOOGLEMAIL.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

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	5.186.164.152
🔶 Autoconfig	5.186.164.152

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

4 records 387ms

TXT Record
google-site-verification=dNbchRHnl1YLvkd8PH8yX1h291yIpCWw4f47eWno-Gw
google-site-verification=KqNtfIKtrLB3cZeXe6sURYMaa1jWEwKj666Kl0cTtks
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqOZ5nj46+KQk+GUZztNJJMZIkw8PRMp9oUSgQCYuGVsZ6v4SM+qDJiDKi7SxHmedoOfKACZ6upFe3CiLr1+7IMDtKJKMI7VGD25wNsLd4DWKfvrFxc/aE/KnU2lCQWfsarnvgWl3+Yztwh+sBAKzBryYXI5YvzdAEH6VQ86D21CMLTa4yLn5DmcI3CiFSl+JGGUOyo9RtNZfArZNd7CRbcQG1i0tufyE/BLspPGkLQzBZ89MgvtHJ9++qvmKHNwVdmSh+UUdB9CPGEZVmeJcw5BrgUXa76hQGFDGzmixIvCsBufk6D1OEgJYI0t5sDYANh+A7ckoaI5scyAfGYpOOwIDAQAB
v=spf1 include:spf.mailjet.com ?all

✉️ SPF#

Policy	Record (dansk-efterisolering.dk)
?all (neutral)	v=spf1 include:spf.mailjet.com ?all

📨 DMARC#

Policy	Record (_dmarc.dansk-efterisolering.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#

checked 2026-10-09 10:57:55

www	51.89.99.87 (AS16276) (address records, no CNAME)
www vs bare domain	Same network dansk-efterisolering.dk: 51.89.99.87 (AS16276) www.dansk-efterisolering.dk: 51.89.99.87 (AS16276)
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

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.u53539155.wl156.sendgrid.net	RSA · ~2048 bit
s2	s2.domainkey.u53539155.wl156.sendgrid.net	RSA · ~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: 1/10 · policy: ?all

warn "?all" is neutral: it gives receivers no guidance, much like having no SPF

🔗 TLSA / DANE#

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

🔐 DNSSEC#

57ms

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

🏷️ SOA#

71ms

Field	Value
Serial	2013101686
Primary NS (MNAME)	ns4.dns-123.net
Responsible (RNAME)	admin@dns-123.net
Refresh	28800s
Retry	7200s
Expire	604800s
Minimum (neg-cache TTL)	300s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

49ms

52ms

AAAA

64ms

TXT

387ms

CAA

55ms

HTTPS

65ms

TLSA

133ms

SOA

71ms

MTA-STS

94ms

DNSSEC

57ms

SRV

127ms

Total

843ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-09 10:57:55 shown	843ms	3 NS 1 A 5 MX	🔒 Secure
2026-09-28 01:32:21	9608ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-27 21:54:23	2664ms	3 NS 1 A 5 MX	🔒 Secure
2026-08-27 00:10:25	1109ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-24 01:14:40	941ms	3 NS 1 A 5 MX	🔒 Secure
2026-06-17 00:25:11	650ms	3 NS 1 A 5 MX	🔒 Secure