`twf-tec.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:3480^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:c787^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.52.128^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.199.135^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`dax.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c385^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dax.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2385^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dax.ns.cloudflare.com`
		A	108.162.195.133^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	162.159.44.133^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
		A	172.64.35.133^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dax.ns.cloudflare.com`
NS	`may.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a87^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c087^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`may.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2087^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`may.ns.cloudflare.com`
		A	108.162.192.135^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	172.64.32.135^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
		A	173.245.58.135^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`may.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁶⁹⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸⁵⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`63d9362c0a1882350ff3ee07ad3b7dd3efb51ed6`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.52.128, 172.67.199.135
		IPv6 hints	2606:4700:3034::6815:3480, 2606:4700:3037::ac43:c787
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=39, name=cloudflare-ech.com
SOA	`dax.ns.cloudflare.com`dns@cloudflare.com serial=2405122083

`de`

	DNSSEC	🔒 Signed (DS record present)
	NS	`f.nic.de` ⭐
	NS	`a.nic.de`
	NS	`l.de.net` ⚠️ Not in parent delegation
	NS	`n.de.net` ⚠️ Not in parent delegation
	NS	`s.de.net` ⚠️ Not in parent delegation
	NS	`z.nic.de`
	SOA	`f.nic.de`dns-operations@denic.de serial=1784308750

Subdomains

mail.twf-tec.de

Same first word

twf-tec.de

DNS History

18 records (9 active, 9 former)

●NSdax.ns.cloudflare.com2026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●NSmay.ns.cloudflare.com2026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

○NSnsa7.schlundtech.de2015-05-26 → 2017-06-10 · 4 obs

● 2015-05-26 05:15:26
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

○NSnsb7.schlundtech.de2015-05-26 → 2017-06-10 · 4 obs

● 2015-05-26 05:15:26
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

○NSnsc7.schlundtech.de2015-05-26 → 2017-06-10 · 4 obs

● 2015-05-26 05:15:26
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

○NSnsd7.schlundtech.de2015-05-26 → 2017-06-10 · 4 obs

● 2015-05-26 05:15:26
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

○MXmail.twf-tec.de2015-05-26 → 2017-06-10 · 4 obs

● 2015-05-26 05:15:26
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

●MXroute1.mx.cloudflare.net2026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●MXroute2.mx.cloudflare.net2026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●MXroute3.mx.cloudflare.net2026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●A104.21.52.1282026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●A172.67.199.1352026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●A2606:4700:3034::6815:34802026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

●A2606:4700:3037::ac43:c7872026-07-03 → 2026-07-17 · 3 obs

○ 2017-06-10 15:34:30
● 2026-07-03 07:58:28
● 2026-07-17 17:33:40

○A81.169.142.1452015-05-26 → 2015-12-25 · 4 obs

● 2015-05-26 05:15:26
● 2015-12-25 21:15:50
○ 2016-04-10 10:27:52
○ 2026-07-17 17:33:40

○A85.214.53.2062016-04-10 → 2016-09-18 · 5 obs

○ 2015-12-25 21:15:50
● 2016-04-10 10:27:52
● 2016-09-18 20:41:46
○ 2017-06-10 15:34:30
○ 2026-07-17 17:33:40

○A85.25.119.982017-06-10 → 2017-06-10 · 4 obs

○ 2016-09-18 20:41:46
● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

○PTRmail.twf-tec.de2017-06-10 → 2017-06-10 · 3 obs

● 2017-06-10 15:34:30
○ 2026-07-03 07:58:28
○ 2026-07-17 17:33:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
twf-tec.de	may.ns.cloudflare.com, dax.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.133

NS records: may.ns.cloudflare.com, dax.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twf-tec.de (unsigned zone)

⏱️ Timing

Total: 777ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.199.135, 104.21.52.128`
AAAA	2	`2606:4700:3037::ac43:c787, 2606:4700:3034::6815:3480`
NS	2	`dax.ns.cloudflare.com, may.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 15), route3.mx.cloudflare.net (pri: 69)...`
TXT	2	`63d9362c0a1882350ff3ee07ad3b7dd3efb51ed6, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`dax.ns.cloudflare.com dns.cloudflare.com`

Analysis

Hierarchy

The domain mail.twf-tec.de falls under the parent twf-tec.de.

IP Addresses

twf-tec.de directs to four IP numbers, which are 104.21.52.128, 172.67.199.135, 2606:4700:3034::6815:3480 and 2606:4700:3037::ac43:c787.

Among the host names that share IP numbers with twf-tec.de are welltivia.com, cqcjyg.com, hdmoviehub.pizza and two others.

Name Servers

The NS records for twf-tec.de delegate to dax.ns.cloudflare.com and may.ns.cloudflare.com.

twf-tec.de has the same name server delegation as a number of other domains, such as coachingcloud.net, teneriffa-metzgermeister.de, cuzufkodvuqsyfr9d.pages.dev and two more.

At least some of twf-tec.de's name servers are shared with other domains, for example trifelifeent.com, perim.net, banwsara.com and two more.

These name servers tend to be deployed in combination with the name servers aryanna.ns.cloudflare.com and indie.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

dax.ns.cloudflare.com maps to 108.162.195.133, 162.159.44.133, 172.64.35.133 and 3 additional IP addresses.

may.ns.cloudflare.com maps to 108.162.192.135, 172.64.32.135, 173.245.58.135 and 3 additional IP addresses.

Mail Servers

The MX records for twf-tec.de list three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

twf-tec.de shares at least some of its mail servers with other domains — for example encoconstructions.com, rebatealley.com, tierraeco.com and two more.

Host names resolving to 6 IP numbers:

route1.mx.cloudflare.net maps to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 additional IP addresses.

route2.mx.cloudflare.net maps to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 additional IP addresses.

route3.mx.cloudflare.net maps to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 additional IP addresses.

twf-tec.de - robtex.com

twf-tec.de

de

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`twf-tec.de`

`de`