`mail.tulup.de`

DNSSEC	⚠️ Not signed
A	51.77.34.96^{🇵🇱 OVH51.77.0.0/16}
		PTR	`mxtu01.defto.com`

`tulup.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:53d7^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:b62f^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.83.215^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.47^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`luke.ns.cloudflare.com` ⭐
NS	`macy.ns.cloudflare.com`
MX	`mail.tulup.de` ⭐
TXT	`1\|www.tulup.de`
TXT	`google-site-verification=DA_3JJPi9CiiumACrvmxl9rBsdlnL_2jifcXwuYs5eY`
TXT	`v=spf1 ip4:51.77.34.96 include:mx.ovh.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.83.215, 172.67.182.47
		IPv6 hints	2606:4700:3033::6815:53d7, 2606:4700:3036::ac43:b62f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com
SOA	`luke.ns.cloudflare.com`dns@cloudflare.com serial=2409582799

MX for

tulup.de

Same first word

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DNS History

1 record (1 active, 0 former)

●A51.77.34.962026-07-06 → 2026-07-15 · 2 obs

● 2026-07-06 04:50:28
● 2026-07-15 20:50:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	f.nic.de, a.nic.de, z.nic.de	-
tulup.de	macy.ns.cloudflare.com, luke.ns.cloudflare.com	-

✅ Authoritative Response

Server:162.159.38.78

NS records: macy.ns.cloudflare.com, luke.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for tulup.de (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`51.77.34.96`

Analysis

Mail Server Role

mail.tulup.de serves as a mail server for tulup.de.

IP Addresses

mail.tulup.de points to a single IP number: 51.77.34.96.

Additional host names — mail.tulup.pl, mail.tulup.hr, mail.tulup.co.uk and two others — share IP numbers with mail.tulup.de.

mail.tulup.de - robtex.com

mail.tulup.de

tulup.de