`krumlovskymaraton.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::6815:102^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:97a0^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.2^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.160^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`derek.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b9a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c19a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`derek.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:219a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`derek.ns.cloudflare.com`
		A	108.162.193.154^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	172.64.33.154^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
		A	173.245.59.154^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`derek.ns.cloudflare.com`
NS	`sima.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ade^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sima.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sima.ns.cloudflare.com`
		A	108.162.192.222^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	172.64.32.222^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
		A	173.245.58.222^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sima.ns.cloudflare.com`
MX	`mx3.savana.cz` ⭐
		A	130.193.14.154^{🇨🇿 IGNUM-AS130.193.8.0/21 Webglobe s.r.o. H90}
			PTR	`email.webglobe.cz`
MX	`mx4.savana.cz`⁽²⁰⁾
		A	185.102.21.80^{🇨🇿 ONE-NETWORK185.102.21.0/24}
			PTR	`email3.webglobe.cz`
TXT	`v=spf1 a mx include:sparkpostmail.com ip4:217.16.187.41/24 ip4:217.16.187.42/...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.2, 172.67.151.160
		IPv6 hints	2606:4700:3031::6815:102, 2606:4700:3031::ac43:97a0
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOA	`derek.ns.cloudflare.com`dns@cloudflare.com serial=2400795362

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775316107

WOT: UNKNOWN (61/100)

Same first word

krumlovskymaraton.com

DNS History

20 records (8 active, 12 former)

●NSderek.ns.cloudflare.com2026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

○NSns.pipni.cz2015-07-11 → 2017-02-07 · 4 obs

● 2015-07-11 21:44:00
● 2017-02-07 05:41:52
○ 2019-04-23 06:11:52
○ 2026-04-04 15:44:50

○NSns1.savana.cz2019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

○NSns2.pipni.cz2015-07-11 → 2017-02-07 · 4 obs

● 2015-07-11 21:44:00
● 2017-02-07 05:41:52
○ 2019-04-23 06:11:52
○ 2026-04-04 15:44:50

○NSns2.savana.cz2019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

○NSns3.savana.cz2019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

●NSsima.ns.cloudflare.com2026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

○MXmail.krumlovskymaraton.com2015-07-11 → 2017-02-07 · 4 obs

● 2015-07-11 21:44:00
● 2017-02-07 05:41:52
○ 2019-04-23 06:11:52
○ 2026-04-04 15:44:50

○MXmx1.savana.cz2019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

○MXmx2.savana.cz2019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

●MXmx3.savana.cz2026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

●MXmx4.savana.cz2026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

○MXns3.pipni.cz2015-07-11 → 2017-02-07 · 4 obs

● 2015-07-11 21:44:00
● 2017-02-07 05:41:52
○ 2019-04-23 06:11:52
○ 2026-04-04 15:44:50

●A104.21.1.22026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

●A172.67.151.1602026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

○A217.16.186.702019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

●A2606:4700:3031::6815:1022026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

●A2606:4700:3031::ac43:97a02026-03-31 → 2026-04-04 · 3 obs

○ 2019-04-23 06:11:52
● 2026-03-31 02:28:42
● 2026-04-04 15:44:50

○A2a00:1ed0:1:1800:1:0:d688:2dc72019-04-23 → 2019-04-23 · 4 obs

○ 2017-02-07 05:41:52
● 2019-04-23 06:11:52
○ 2026-03-31 02:28:42
○ 2026-04-04 15:44:50

○A93.185.104.292015-07-11 → 2017-02-07 · 4 obs

● 2015-07-11 21:44:00
● 2017-02-07 05:41:52
○ 2019-04-23 06:11:52
○ 2026-04-04 15:44:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
krumlovskymaraton.com	sima.ns.cloudflare.com, derek.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.154

NS records: sima.ns.cloudflare.com, derek.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for krumlovskymaraton.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.160, 104.21.1.2`
AAAA	2	`2606:4700:3031::6815:102, 2606:4700:3031::ac43:97a0`
NS	2	`derek.ns.cloudflare.com, sima.ns.cloudflare.com`
MX	2	`mx3.savana.cz (pri: 10), mx4.savana.cz (pri: 20)`
TXT	1	`v=spf1 a mx include:sparkpostmail.com ip`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`derek.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (sima.ns.cloudflare.com, sima.ns.cloudflare.com, sima.ns.cloudflare.com...)

Analysis

IP Addresses

krumlovskymaraton.com points to four IP numbers: 2606:4700:3031::6815:102, 2606:4700:3031::ac43:97a0, 104.21.1.2 and 172.67.151.160.

Other host names, for instance jevon-75trixal.click, horizonstationalliance.digital, sjg.codes, www.hexasoft.my and lishusolar.com share IP numbers with krumlovskymaraton.com.

Name Servers

krumlovskymaraton.com is delegated to two name servers: derek.ns.cloudflare.com and sima.ns.cloudflare.com.

krumlovskymaraton.com uses the same name server setup as other domains, for instance futurebase.com, discountokay.com, arctica.co, davidbrookes.co.uk and davidbrookes.io.

krumlovskymaraton.com shares name servers with other domains at least partially, for instance savetheelephants.org, shiosai.co.jp, uachsvoice.com, fxmagician.com and legacytechnologies.co.uk.

these name servers are commonly used together with kyrie.ns.cloudflare.com and owen.ns.cloudflare.com.

Host names with six IP numbers: derek.ns.cloudflare.com points to 2606:4700:58::adf5:3b9a, 2803:f800:50::6ca2:c19a, 2a06:98c1:50::ac40:219a, 108.162.193.154, 172.64.33.154 and 173.245.59.154; sima.ns.cloudflare.com points to 2606:4700:50::adf5:3ade, 2803:f800:50::6ca2:c0de, 2a06:98c1:50::ac40:20de, 108.162.192.222, 172.64.32.222 and 173.245.58.222.

Mail Servers

krumlovskymaraton.com is handled by two mail servers: mx3.savana.cz and mx4.savana.cz.

krumlovskymaraton.com shares the same mail server setup as other domains, including kocianreality.cz, penzion-jan.cz, dc24.cz, grosman.cz and vacars.cz.

krumlovskymaraton.com shares some mail servers with other domains, including centrum-veveri.cz, vlastenci.cz, eveco.eu, foxpneu.cz and dittrich.cz.

These mail servers are commonly used with mx1.savana.cz and mx2.savana.cz.

Host names with one IP number:

mx3.savana.cz points to: 130.193.14.154.

mx4.savana.cz points to: 185.102.21.80.

krumlovskymaraton.com - robtex.com