`matheblatt.de`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:4883^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::ac43:b91f^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.72.131^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.31^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`celeste.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2607^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celeste.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c207^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`celeste.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2207^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`celeste.ns.cloudflare.com`
		A	108.162.194.7^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celeste.ns.cloudflare.com`
		A	162.159.38.7^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celeste.ns.cloudflare.com`
		A	172.64.34.7^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`celeste.ns.cloudflare.com`
NS	`javier.ns.cloudflare.com`
		A	2606:4700:58::a29f:2ccc^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`javier.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3cc^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`javier.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23cc^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`javier.ns.cloudflare.com`
		A	108.162.195.204^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`javier.ns.cloudflare.com`
		A	162.159.44.204^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`javier.ns.cloudflare.com`
		A	172.64.35.204^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`javier.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`⁽⁷²⁾
		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`⁽⁹⁹⁾
		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	`google-site-verification=2UARphhoMgwBFtKhddddKjHqL6iMExvsajbP01ZpBvU`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.72.131, 172.67.185.31
		IPv6 hints	2606:4700:3031::6815:4883, 2606:4700:3035::ac43:b91f
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=163, name=cloudflare-ech.com
SOA	`celeste.ns.cloudflare.com`dns@cloudflare.com serial=2400894402

`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=1775954707

Same first word

matheblatt.de

Similar names

mathbattle.org

DNS History

15 records (9 active, 6 former)

●NSceleste.ns.cloudflare.com2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●NSjavier.ns.cloudflare.com2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

○NSns37.1und1.de2015-06-29 → 2017-06-02 · 4 obs

● 2015-06-29 17:59:42
● 2017-06-02 19:04:40
○ 2026-03-24 13:35:12
○ 2026-04-12 01:00:36

○NSns38.1und1.de2015-06-29 → 2017-06-02 · 4 obs

● 2015-06-29 17:59:42
● 2017-06-02 19:04:40
○ 2026-03-24 13:35:12
○ 2026-04-12 01:00:36

○MXmx00.kundenserver.de2015-06-29 → 2017-06-02 · 4 obs

● 2015-06-29 17:59:42
● 2017-06-02 19:04:40
○ 2026-03-24 13:35:12
○ 2026-04-12 01:00:36

○MXmx01.kundenserver.de2015-06-29 → 2017-06-02 · 4 obs

● 2015-06-29 17:59:42
● 2017-06-02 19:04:40
○ 2026-03-24 13:35:12
○ 2026-04-12 01:00:36

●MXroute1.mx.cloudflare.net2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●MXroute2.mx.cloudflare.net2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●MXroute3.mx.cloudflare.net2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●A104.21.72.1312026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●A172.67.185.312026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

○A217.160.223.1162017-06-02 → 2017-06-02 · 4 obs

○ 2016-04-19 17:20:46
● 2017-06-02 19:04:40
○ 2026-03-24 13:35:12
○ 2026-04-12 01:00:36

●A2606:4700:3031::6815:48832026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

●A2606:4700:3035::ac43:b91f2026-03-24 → 2026-04-12 · 3 obs

○ 2017-06-02 19:04:40
● 2026-03-24 13:35:12
● 2026-04-12 01:00:36

○A82.165.83.1162015-06-29 → 2016-04-19 · 4 obs

● 2015-06-29 17:59:42
● 2016-04-19 17:20:46
○ 2017-06-02 19:04:40
○ 2026-04-12 01:00:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
matheblatt.de	javier.ns.cloudflare.com, celeste.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.195.204

NS records: javier.ns.cloudflare.com, celeste.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for matheblatt.de (unsigned zone)

⏱️ Timing

Total: 999ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.185.31, 104.21.72.131`
AAAA	2	`2606:4700:3035::ac43:b91f, 2606:4700:3031::6815:4883`
NS	2	`celeste.ns.cloudflare.com, javier.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 44), route3.mx.cloudflare.net (pri: 72)...`
TXT	2	`google-site-verification=2UARphhoMgwBFtK, v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`celeste.ns.cloudflare.com dns.cloudflare`

Analysis

IP Addresses

matheblatt.de points to four IP numbers: 2606:4700:3031::6815:4883, 2606:4700:3035::ac43:b91f, 104.21.72.131 and 172.67.185.31.

For instance, other host names www.(0x736578)yfish.com, bayareaimmigration.com, biocenter.de, dserunners.com and www.chipart.com.br share IP numbers with matheblatt.de.

Name Servers

matheblatt.de is delegated to two name servers: celeste.ns.cloudflare.com and javier.ns.cloudflare.com.

matheblatt.de uses the same name server setup as other domains such as urssaf-iledefrance.fr, ds-thomas-lang.de, multicooker.pl, sway.es and openedu.pl.

matheblatt.de shares name servers with other domains at least partially, for example seuresb.help, 077961717.com.tw, swansky.fr, opstinalozovo.gov.mk and anantasparesortpushkar.co.in.

These name servers are commonly used with alice.ns.cloudflare.com, simon.ns.cloudflare.com and ophelia.ns.cloudflare.com.

Host names with six IP numbers: host name celeste.ns.cloudflare.com points to: 2606:4700:50::a29f:2607, 2803:f800:50::6ca2:c207, 2a06:98c1:50::ac40:2207, 108.162.194.7, 162.159.38.7 and 172.64.34.7; host name javier.ns.cloudflare.com points to: 2606:4700:58::a29f:2ccc, 2803:f800:50::6ca2:c3cc, 2a06:98c1:50::ac40:23cc, 108.162.195.204, 162.159.44.204 and 172.64.35.204.

Mail Servers

matheblatt.de is served by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

matheblatt.de shares mail servers with other domains at least partially; for instance contentless.com, chillguyclickers.com, wikid.org, bigbendwebdesign.com and thewaitingroom.org.

Host names with six IP numbers:

route1.mx.cloudflare.net points to 2606:4700:f5::b, 2606:4700:f5::c, 2606:4700:f5::d, 162.159.205.11, 162.159.205.12 and 162.159.205.13.

route2.mx.cloudflare.net points to 2606:4700:f5::e, 2606:4700:f5::f, 2606:4700:f5::10, 162.159.205.17, 162.159.205.18 and 162.159.205.19.

route3.mx.cloudflare.net points to 2606:4700:f5::11, 2606:4700:f5::12, 2606:4700:f5::13, 162.159.205.23, 162.159.205.24 and 162.159.205.25.

matheblatt.de - robtex.com

matheblatt.de

de

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`matheblatt.de`

`de`