www.erfplus.de - robtex.com

www.erfplus.de

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d4ed🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:17c0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.192Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.237🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.192, 172.67.212.237
IPv6 hints2606:4700:3033::ac43:d4ed, 2606:4700:3034::6815:17c0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com

erfplus.de

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d4ed🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:17c0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.23.192Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.212.237🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScleo.ns.cloudflare.com ⭐
NSserena.ns.cloudflare.com
MXerfplus-de.mail.protection.outlook.com ⭐
TXTMS=ms76558797
TXTd365mktkey=YYyxxS80nnxhIP5SkhhB2qaMYFGZOPjMQx4sNfkqpxEx
TXTv=spf1 a mx ip4:195.248.89.10 ip4:78.94.105.165 ip4:46.229.46.39 include:spf....
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.23.192, 172.67.212.237
IPv6 hints2606:4700:3033::ac43:d4ed, 2606:4700:3034::6815:17c0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOAcleo.ns.cloudflare.comdns@cloudflare.com serial=2402066070

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DNS History

8 records (4 active, 4 former)

201820192020202120222023202420252026A104.21.23.192172.67.212.2372606:4700:3033::ac43:d4ed2606:4700:3034::6815:17c0104.31.86.44104.31.87.442400:cb00:2048:1::681f:562c2400:cb00:2048:1::681f:572c
●A104.21.23.1922026-04-10 → 2026-05-12 · 3 obs
○ 2017-11-27 10:06:16
● 2026-04-10 10:14:00
● 2026-05-12 11:13:02
○A104.31.86.442017-11-27 → 2017-11-27 · 3 obs
● 2017-11-27 10:06:16
○ 2026-04-10 10:14:00
○ 2026-05-12 11:13:02
○A104.31.87.442017-11-27 → 2017-11-27 · 3 obs
● 2017-11-27 10:06:16
○ 2026-04-10 10:14:00
○ 2026-05-12 11:13:02
●A172.67.212.2372026-04-10 → 2026-05-12 · 3 obs
○ 2017-11-27 10:06:16
● 2026-04-10 10:14:00
● 2026-05-12 11:13:02
○A2400:cb00:2048:1::681f:562c2017-11-27 → 2017-11-27 · 3 obs
● 2017-11-27 10:06:16
○ 2026-04-10 10:14:00
○ 2026-05-12 11:13:02
○A2400:cb00:2048:1::681f:572c2017-11-27 → 2017-11-27 · 3 obs
● 2017-11-27 10:06:16
○ 2026-04-10 10:14:00
○ 2026-05-12 11:13:02
●A2606:4700:3033::ac43:d4ed2026-04-10 → 2026-05-12 · 3 obs
○ 2017-11-27 10:06:16
● 2026-04-10 10:14:00
● 2026-05-12 11:13:02
●A2606:4700:3034::6815:17c02026-04-10 → 2026-05-12 · 3 obs
○ 2017-11-27 10:06:16
● 2026-04-10 10:14:00
● 2026-05-12 11:13:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dez.nic.de, a.nic.de, f.nic.de-
erfplus.decleo.ns.cloudflare.com, serena.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.89

NS records: cleo.ns.cloudflare.com, serena.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for erfplus.de (unsigned zone)

⏱️ Timing

Total: 1062ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.23.192, 172.67.212.237
AAAA22606:4700:3034::6815:17c0, 2606:4700:3033::ac43:d4ed
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

www.erfplus.de resolves to four IP numbers: 2606:4700:3033::ac43:d4ed, 2606:4700:3034::6815:17c0, 104.21.23.192 and 172.67.212.237.

Other host names such as altabehavioralhealthcare.org, caimeibuxie.com, messe-gruenkauf.com, ns1.studio305.net and craftsdir.com share IPs with www.erfplus.de.