isaer.dk DNS records

🖥️ Nameservers3 records 43ms

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 Records1 records 50ms

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 Records7 records 72ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	900s	aspmx.l.google.com	142.250.145.27 2a00:1450:4013:c07::1a	eb-in-f27.1e100.net el-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	900s	alt1.aspmx.l.google.com	192.178.211.27 2404:6800:4000:1025::1b	lcbomp-in-f27.1e100.net lcbomp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	900s	alt2.aspmx.l.google.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	aspmx2.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	aspmx3.googlemail.com	172.253.158.26 2404:6800:4008:c01::1b	so-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx4.googlemail.com	192.178.230.26 2404:6800:4003:c26::1b	yunrtab-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	900s	aspmx5.googlemail.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.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 Records2 records 166ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC84ms

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

🏷️ SOA38ms

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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

43ms

A

50ms

MX

72ms

AAAA

54ms

TXT

166ms

CAA

52ms

HTTPS

68ms

TLSA

57ms

SOA

38ms

MTA-STS

70ms

DNSSEC

84ms

SRV

184ms

Total

681ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-06-21 05:12:31	681ms	3 NS 1 A 7 MX	🔓 Insecure	View
2026-06-17 15:41:51	5322ms	3 NS 1 A 7 MX	🔓 Insecure	View