`sieburth.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:2884^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:97f3^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.40.132^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.151.243^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`athena.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a48^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c048^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`athena.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2048^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`athena.ns.cloudflare.com`
		A	108.162.192.72^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	172.64.32.72^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
		A	173.245.58.72^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`athena.ns.cloudflare.com`
NS	`roan.ns.cloudflare.com`
		A	2606:4700:58::adf5:3be2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1e2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`roan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21e2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`roan.ns.cloudflare.com`
		A	108.162.193.226^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	172.64.33.226^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
		A	173.245.59.226^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`roan.ns.cloudflare.com`
MX	`_dc-mx.39574a111a43.sieburth.com` ⭐
		A	66.147.239.72^{🇺🇸 DOTBLOCKCP66.147.224.0/20 IPv4}
			PTR	`dirapp59.directorysecure.com`
TXT	`v=spf1 +a +mx +ip4:66.147.239.72 include:sendgrid.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.40.132, 172.67.151.243
		IPv6 hints	2606:4700:3035::6815:2884, 2606:4700:3037::ac43:97f3
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=203, name=cloudflare-ech.com
SOA	`athena.ns.cloudflare.com`dns@cloudflare.com serial=2400504325

`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=1776579472

Previously MX for

sieburth.com

Subdomains

mail.sieburth.com

Same first word

sieburth.com

Similar names

huberits.com

tireshub.com

huiberts.eu

huiberts.nl

biterush.com

siburteh.com

huberits.de

DNS History

31 records (7 active, 24 former)

●NSathena.ns.cloudflare.com2026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

○NSns-us.1and1-dns.com2015-11-11 → 2017-01-08 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2017-01-08 20:46:36
○ 2018-08-06 11:29:58
○ 2026-04-19 06:41:52

○NSns-us.1and1-dns.de2015-11-11 → 2017-01-08 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2017-01-08 20:46:36
○ 2018-08-06 11:29:58
○ 2026-04-19 06:41:52

○NSns-us.1and1-dns.org2015-11-11 → 2017-01-08 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2017-01-08 20:46:36
○ 2018-08-06 11:29:58
○ 2026-04-19 06:41:52

○NSns-us.1and1-dns.us2015-11-11 → 2017-01-08 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2017-01-08 20:46:36
○ 2018-08-06 11:29:58
○ 2026-04-19 06:41:52

○NSns1.directorysecure.com2026-03-09 → 2026-03-20 · 5 obs

○ 2018-08-06 11:29:58
● 2026-03-09 11:40:32
● 2026-03-20 22:08:50
○ 2026-04-05 19:31:48
○ 2026-04-19 06:41:52

○NSns1.mediatemple.net2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○NSns1083.ui-dns.biz2018-08-06 → 2018-08-06 · 4 obs

○ 2017-01-08 20:46:36
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○NSns1083.ui-dns.com2018-08-06 → 2018-08-06 · 4 obs

○ 2017-01-08 20:46:36
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○NSns1083.ui-dns.de2018-08-06 → 2018-08-06 · 4 obs

○ 2017-01-08 20:46:36
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○NSns1083.ui-dns.org2018-08-06 → 2018-08-06 · 4 obs

○ 2017-01-08 20:46:36
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○NSns2.directorysecure.com2026-03-09 → 2026-03-20 · 5 obs

○ 2018-08-06 11:29:58
● 2026-03-09 11:40:32
● 2026-03-20 22:08:50
○ 2026-04-05 19:31:48
○ 2026-04-19 06:41:52

○NSns2.mediatemple.net2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

●NSroan.ns.cloudflare.com2026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

●MX_dc-mx.39574a111a43.sieburth.com2026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

○MXalt1.aspmx.l.google.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○MXalt2.aspmx.l.google.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○MXalt3.aspmx.l.google.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○MXalt4.aspmx.l.google.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○MXaspmx.l.google.com2015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○MXmx00.1and1.com2015-11-11 → 2018-08-06 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○MXmx01.1and1.com2015-11-11 → 2018-08-06 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

○MXsieburth.com2026-03-09 → 2026-03-20 · 5 obs

○ 2018-08-06 11:29:58
● 2026-03-09 11:40:32
● 2026-03-20 22:08:50
○ 2026-04-05 19:31:48
○ 2026-04-19 06:41:52

●A104.21.40.1322026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

●A172.67.151.2432026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

○A216.250.121.182017-01-08 → 2018-08-06 · 5 obs

○ 2016-02-05 03:49:30
● 2017-01-08 20:46:36
● 2018-08-06 11:29:58
○ 2026-03-09 11:40:32
○ 2026-04-19 06:41:52

●A2606:4700:3035::6815:28842026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

●A2606:4700:3037::ac43:97f32026-04-05 → 2026-04-19 · 3 obs

○ 2026-03-20 22:08:50
● 2026-04-05 19:31:48
● 2026-04-19 06:41:52

○A66.147.239.722026-03-09 → 2026-03-20 · 5 obs

○ 2018-08-06 11:29:58
● 2026-03-09 11:40:32
● 2026-03-20 22:08:50
○ 2026-04-05 19:31:48
○ 2026-04-19 06:41:52

○A70.32.93.1612015-06-13 → 2015-06-13 · 3 obs

● 2015-06-13 22:47:46
○ 2015-11-11 07:39:56
○ 2026-04-19 06:41:52

○A74.208.19.2012015-11-11 → 2016-02-05 · 5 obs

○ 2015-06-13 22:47:46
● 2015-11-11 07:39:56
● 2016-02-05 03:49:30
○ 2017-01-08 20:46:36
○ 2026-04-19 06:41:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sieburth.com	athena.ns.cloudflare.com, roan.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.72

NS records: athena.ns.cloudflare.com, roan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sieburth.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.151.243, 104.21.40.132`
AAAA	2	`2606:4700:3037::ac43:97f3, 2606:4700:3035::6815:2884`
NS	2	`athena.ns.cloudflare.com, roan.ns.cloudflare.com`
MX	1	`_dc-mx.39574a111a43.sieburth.com (pri: 0`
TXT	1	`v=spf1 +a +mx +ip4:66.147.239.72 include`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`athena.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

sieburth.com is parent of mail.sieburth.com.

IP Addresses

sieburth.com points to four IP numbers: 2606:4700:3035::6815:2884, 2606:4700:3037::ac43:97f3, 104.21.40.132 and 172.67.151.243.

Other host names, for instance infr-acapital.digital, jtesqs.com, byceo.cn, wealthstore.com.tw and www.future-systems.am share IP numbers with sieburth.com.

Name Servers

sieburth.com's delegation is to two name servers athena.ns.cloudflare.com and roan.ns.cloudflare.com.

sieburth.com shares the same name server configuration as other domains, such as mamadil.com.my, trakky.in, chile-apps-in.site, paradisereturn.com and susurizqi.com.

sieburth.com at least partially shares its name servers with other domains, for instance ewccalifornia.org, 789win11.club, milpitas.net, flushnet.tv and richardpodd.com.

These name servers are often used together with the name servers rocco.ns.cloudflare.com.

Host names with six IP numbers:

athena.ns.cloudflare.com points to: 2606:4700:50::adf5:3a48, 2803:f800:50::6ca2:c048, 2a06:98c1:50::ac40:2048, 108.162.192.72, 172.64.32.72 and 173.245.58.72.

roan.ns.cloudflare.com points to: 2606:4700:58::adf5:3be2, 2803:f800:50::6ca2:c1e2, 2a06:98c1:50::ac40:21e2, 108.162.193.226, 172.64.33.226 and 173.245.59.226.

Mail Servers

sieburth.com is served by a single mail server, _dc-mx.39574a111a43.sieburth.com.

_dc-mx.39574a111a43.sieburth.com points to IP number 66.147.239.72.

sieburth.com - robtex.com

sieburth.com

com

Previously MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`sieburth.com`

`com`