isaer.dk

Records from scan: 2026-10-07 16:11:24 · 681ms total · last checked 2026-10-16 06:22 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

isaer.dk is a .dk domain served by 3 nameservers (dns1.rackhosting.com, dns2.rackhosting.com, dns3.rackhosting.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.247.77.143 is hosted by Rackhosting.com ApS (AS31590) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is not DNSSEC-signed, has no 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
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 39ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.247.77.143	900s	vps138.rackhosting.com	AS31590	Rackhosting.com ApS	77.247.64.0/20	🇩🇰 Denmark	—

📧 MX Records#

7 records 36ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	aspmx.l.google.com	173.194.220.26 2a00:1450:4010:c1e::1a	lk-in-f26.1e100.net lb-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	900s	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	900s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx2.googlemail.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx3.googlemail.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	mad01s14-in-f27.1e100.net yukulwh-in-f27.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx4.googlemail.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx5.googlemail.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.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

📝 TXT Records#

2 records 206ms

TXT Record
google-site-verification=c7xrsLFJNunbdPpTnzwpaG2YxoNjSlS_ztmHplF3Epk
v=spf1 include:outlook.com ~all

✉️ SPF#

Policy	Record (isaer.dk)
~all (soft fail)	v=spf1 include:outlook.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#

checked 2026-10-07 16:11:24

www CNAME	www.isaer.dk.cdn.cloudflare.net (all on cloudflare.net) → 104.21.68.120 172.67.195.85 2606:4700:3034::ac43:c355 2606:4700:3037::6815:4478 (AS13335)
www vs bare domain	Different networks isaer.dk: 77.247.77.143 (AS31590) www.isaer.dk: 104.21.68.120 172.67.195.85 2606:4700:3034::ac43:c355 2606:4700:3037::6815:4478 (AS13335) (all like this)
Wildcard	No

🔎 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#

77ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

47ms

Field	Value
Serial	1601889899
Primary NS (MNAME)	dns3.rackhosting.com
Responsible (RNAME)	anna@isaer.dk
Refresh	900s
Retry	3600s
Expire	604800s
Minimum (neg-cache TTL)	10800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

48ms

39ms

36ms

AAAA

46ms

TXT

206ms

CAA

33ms

HTTPS

35ms

TLSA

120ms

SOA

47ms

MTA-STS

50ms

DNSSEC

77ms

SRV

53ms

Total

681ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 16:11:24 shown	681ms	3 NS 1 A 7 MX	🔓 Insecure
2026-10-01 04:31:58	883ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-21 05:12:31	681ms	3 NS 1 A 7 MX	🔓 Insecure
2026-06-17 15:41:51	5322ms	3 NS 1 A 7 MX	🔓 Insecure