postini.dk

📜 Historical scan 2026-09-25 15:49:53 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

postini.dk is a .dk domain served by 4 nameservers (ns1.google.com, ns2.google.com, ns3.google.com and 1 more). It was registered on 4 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.extremeonly.com, mx2.extremeonly.com and 2 more. 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 77ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.google.com	2001:4860:4802:32::a 216.239.32.10	ns1.google.com ns1.google.com	AS15169 Google LLC AS15169 Google LLC
ns2.google.com	2001:4860:4802:34::a 216.239.34.10	ns2.google.com ns2.google.com	AS15169 Google LLC AS15169 Google LLC
ns3.google.com	2001:4860:4802:36::a 216.239.36.10	ns3.google.com ns3.google.com	AS15169 Google LLC AS15169 Google LLC
ns4.google.com	2001:4860:4802:38::a 216.239.38.10	ns4.google.com ns4.google.com	AS15169 Google LLC AS15169 Google LLC

🌍 A Records#

🌍

No A records found

📧 MX Records#

4 records 56ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
100	3600s	mx1.extremeonly.com	34.76.27.54	54.27.76.34.bc.googleusercontent.com	AS396982 Google LLC
100	3600s	mx2.extremeonly.com	34.76.27.54	54.27.76.34.bc.googleusercontent.com	AS396982 Google LLC
100	3600s	mx3.extremeonly.com	35.205.156.28	28.156.205.35.bc.googleusercontent.com	AS396982 Google LLC
100	3600s	mx4.extremeonly.com	35.205.156.28	28.156.205.35.bc.googleusercontent.com	AS396982 Google LLC

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 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 2026-10-11 10:56:34

www	NXDOMAIN
www vs bare domain	Neither resolves postini.dk: no address www.postini.dk: no address
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

126ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

0ms

Field	Value
Serial	2012122000
Primary NS (MNAME)	ns1.google.com
Responsible (RNAME)	postini-hostmaster@google.com
Refresh	7200s
Retry	3600s
Expire	3600000s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 16:37:21

Field	Value
Registrar	MarkMonitor Inc.
Registered	2007-07-04
Expires	2027-07-31 (287d)

📋 WHOIS#

⏱️ Lookup Timing#

77ms

44ms

56ms

AAAA

67ms

TXT

288ms

CAA

74ms

HTTPS

60ms

TLSA

110ms

SOA

0ms

MTA-STS

87ms

DNSSEC

126ms

SRV

95ms

Total

832ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 20:22:10	959ms	4 NS 0 A 4 MX	🔓 Insecure
2026-09-25 15:49:53 shown	832ms	4 NS 0 A 4 MX	🔓 Insecure
2026-08-26 04:56:20	10349ms	4 NS 0 A 4 MX	🔓 Insecure
2026-06-25 13:43:15	1472ms	4 NS 0 A 4 MX	🔓 Insecure
2026-06-17 22:55:19	1157ms	4 NS 0 A 4 MX	🔓 Insecure