`mail.fdu.de`

DNSSEC	⚠️ Not signed
A	87.130.63.195^{🇩🇪 DTAG87.128.0.0/10 Deutsche Telekom AG, Internet service provider}
		PTR	`mx.fdu.de`

`fdu.de`

DNSSEC	⚠️ Not signed
A	2606:4700:20::681a:36^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::681a:136^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:20::ac43:4736^{🇺🇸 Cloudflare2606:4700:20::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.0.54^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.26.1.54^{Cloudflare104.26.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.71.54^{🇺🇸 Cloudflare172.67.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dawn.ns.cloudflare.com` ⭐
NS	`micah.ns.cloudflare.com`
MX	`mx.fdu.de` ⭐
TXT	`v=spf1 include:agenturserver.de include:spf.protection.outlook.com include:a...`
HTTPS	HTTP/2 ✓ hints match
		IPv4	104.26.0.54, 104.26.1.54, 172.67.71.54
		IPv6	2606:4700:20::681a:36, 2606:4700:20::681a:136, 2606:4700:20::ac43:4736
SOA	`dawn.ns.cloudflare.com`dns@cloudflare.com serial=2399487234

WOT: SAFE (61/100)
WOT: SAFE (64/100)
📈 Tranco rank: #621,243

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DNS History

2 records (1 active, 1 former)

○A213.23.123.2282020-02-01 → 2020-02-01 · 3 obs

● 2020-02-01 14:51:50
○ 2026-03-03 18:15:50
○ 2026-03-27 19:28:30

●A87.130.63.1952026-03-03 → 2026-03-27 · 3 obs

○ 2020-02-01 14:51:50
● 2026-03-03 18:15:50
● 2026-03-27 19:28:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
fdu.de	dawn.ns.cloudflare.com, micah.ns.cloudflare.com	-

✅ Authoritative Response

Server:173.245.59.206

NS records: dawn.ns.cloudflare.com, micah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fdu.de (unsigned zone)

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`87.130.63.195`

Analysis

IP Addresses

mail.fdu.de resolves to one IP number: 87.130.63.195.

other host names including mx.fdu.de, mx.fdu-online.de, ssl.brinkhege.de, mx.brinkhege.de and mx.bwb-kg.de share IP numbers with mail.fdu.de.

mail.fdu.de - robtex.com

mail.fdu.de

fdu.de