`mail.postcore.de`

DNSSEC	⚠️ Not signed
A	45.93.251.126^{🇩🇪 SYNLINQ45.93.251.0/24 Sascha Gericke trading as Gericke KG}
		PTR	`mail.postcore.de`

`postcore.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:d55e^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::6815:45d5^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.69.213^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.94^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`konnor.ns.cloudflare.com` ⭐
NS	`naya.ns.cloudflare.com`
MX	`mail.postcore.de` ⭐
TXT	`google-site-verification=ozZhC8B1QWAjxhkbD_97Pg0-wPFZLsqPa5P2KM7KYmo`
TXT	`v=spf1 ip4:45.93.251.126 include:mailcow.email ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.69.213, 172.67.213.94
		IPv6 hints	2606:4700:3030::ac43:d55e, 2606:4700:3031::6815:45d5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=25, name=cloudflare-ech.com
SOA	`konnor.ns.cloudflare.com`dns@cloudflare.com serial=2402121243

PTR for

126.251.93.45.in-addr.arpa

MX for

postcore.de

Same first word

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DNS History

2 records (1 active, 1 former)

●A45.93.251.1262026-03-24 → 2026-05-19 · 3 obs

○ 2016-08-10 02:35:32
● 2026-03-24 11:45:28
● 2026-05-19 04:15:58

○A85.25.12.502015-07-25 → 2016-08-10 · 4 obs

● 2015-07-25 16:32:22
● 2016-08-10 02:35:32
○ 2026-03-24 11:45:28
○ 2026-05-19 04:15:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
postcore.de	naya.ns.cloudflare.com, konnor.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.106

NS records: naya.ns.cloudflare.com, konnor.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for postcore.de (unsigned zone)

⏱️ Timing

Total: 662ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`45.93.251.126`

Analysis

Mail Server Role

mail.postcore.de is used as a mail server for postcore.de.

IP Addresses

mail.postcore.de points to one IP number: 45.93.251.126.

Other host names, for instance xamplex.de and mail.xamplex.de share IP numbers with mail.postcore.de.

mail.postcore.de - robtex.com

mail.postcore.de

postcore.de