zscaler.dk DNS records

🖥️ Nameservers4 records 105ms

Nameserver	IP addresses	PTR	ASN / ISP
ns1.electric.net	208.70.135.83 2a01:77c0:7135:4301::230	ns1.electric.net ns1.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns2.electric.net	192.162.219.248 2a01:77c0:1619:4100::230	ns2.electric.net ns2.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns3.electric.net	208.70.135.236 2a01:77c0:7135:4300::230	ns3.electric.net ns3.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.
ns4.electric.net	192.162.219.153 2a01:77c0:1619:4101::230	ns4.electric.net ns4.electric.net	AS16509 Amazon.com, Inc. AS16509 Amazon.com, Inc.

🌍 A Records1 records 2086ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.236.188.83	3598s	—	AS14061	DigitalOcean, LLC	104.236.0.0/16	🇺🇸 United States	San Francisco

📧 MX Records5 records 171ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c1e::1b	lr-in-f26.1e100.net lb-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
50	3600s	alt1.aspmx.l.google.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
50	3600s	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
100	3600s	aspmx2.l.googlemail.com	—	—	—
100	3600s	aspmx3.l.googlemail.com	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 655ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (zscaler.dk)
-all (hard fail)	v=spf1 -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)

🔐 DNSSEC204ms

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

🏷️ SOA0ms

Field	Value
Serial	1574683882
Primary NS (MNAME)	ns1.electric.net
Responsible (RNAME)	dns@electric.net
Refresh	10000s
Retry	1800s
Expire	604800s
Minimum (neg-cache TTL)	3600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

105ms

A

2086ms

MX

171ms

AAAA

94ms

TXT

655ms

CAA

254ms

HTTPS

150ms

TLSA

267ms

SOA

0ms

MTA-STS

217ms

DNSSEC

204ms

SRV

275ms

Total

5232ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 05:01:09	5232ms	4 NS 1 A 5 MX	🔓 Insecure	View
2026-06-28 14:13:33	1120ms	4 NS 1 A 5 MX	🔓 Insecure	View
2026-06-24 05:17:25	1171ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 05:58:47	1085ms	4 NS 1 A 5 MX	🔓 Insecure	View
2026-06-20 22:09:51	1673ms	4 NS 1 A 5 MX	🔓 Insecure	View
2026-06-17 13:19:45	2568ms	4 NS 1 A 5 MX	🔓 Insecure	View