`siudowski.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:d537^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::6815:17c5^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.23.197^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.55^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`luke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bc8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1c8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`luke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21c8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`luke.ns.cloudflare.com`
		A	108.162.193.200^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	172.64.33.200^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
		A	173.245.59.200^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`luke.ns.cloudflare.com`
NS	`rachel.ns.cloudflare.com`
		A	2606:4700:50::adf5:3ad7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`rachel.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`rachel.ns.cloudflare.com`
		A	108.162.192.215^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	172.64.32.215^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
		A	173.245.58.215^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`rachel.ns.cloudflare.com`
MX	`_dc-mx.6b3dc77b15e6.siudowski.com` ⭐
		A	188.91.180.95^{🇳🇱 Odido188.91.0.0/16 Netherlands}
			PTR	`95-180-91-188.ftth.glasoperator.nl`
TXT	`v=spf1 include:spf.mailjet.com ip4:195.240.188.71 ip6:2a02:a472:564c:0:3bb3:9...`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.23.197, 172.67.213.55
		IPv6 hints	2606:4700:3031::ac43:d537, 2606:4700:3033::6815:17c5
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`luke.ns.cloudflare.com`dns@cloudflare.com serial=2401813039

`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=1777075381

⚠️ On DNS blocklist: tif

Subdomains

smtp.siudowski.com

DNS History

14 records (7 active, 7 former)

●NSluke.ns.cloudflare.com2026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

○NSns1.7cloudcomputing.com2015-07-26 → 2017-03-13 · 7 obs

● 2015-07-26 17:19:42
● 2015-12-05 02:34:08
○ 2016-03-03 14:56:08
○ 2016-07-07 00:50:30
● 2017-03-13 11:40:54
○ 2019-12-30 03:38:02
○ 2026-04-25 00:21:50

○NSns1.value-domain.com2015-07-26 → 2016-07-07 · 6 obs

● 2015-07-26 17:19:42
○ 2015-12-05 02:34:08
● 2016-03-03 14:56:08
● 2016-07-07 00:50:30
○ 2017-03-13 11:40:54
○ 2026-04-25 00:21:50

○NSns2.7cloudcomputing.com2015-07-26 → 2017-03-13 · 7 obs

● 2015-07-26 17:19:42
● 2015-12-05 02:34:08
○ 2016-03-03 14:56:08
○ 2016-07-07 00:50:30
● 2017-03-13 11:40:54
○ 2019-12-30 03:38:02
○ 2026-04-25 00:21:50

○NSns2.value-domain.com2016-03-03 → 2016-07-07 · 5 obs

○ 2015-12-05 02:34:08
● 2016-03-03 14:56:08
● 2016-07-07 00:50:30
○ 2017-03-13 11:40:54
○ 2026-04-25 00:21:50

●NSrachel.ns.cloudflare.com2026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

●MX_dc-mx.6b3dc77b15e6.siudowski.com2026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

○MXsiudowski.com2015-07-26 → 2017-03-13 · 6 obs

● 2015-07-26 17:19:42
○ 2015-12-05 02:34:08
○ 2016-07-07 00:50:30
● 2017-03-13 11:40:54
○ 2019-12-30 03:38:02
○ 2026-04-25 00:21:50

●A104.21.23.1972026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

○A143.95.245.2392015-07-26 → 2015-12-05 · 4 obs

● 2015-07-26 17:19:42
● 2015-12-05 02:34:08
○ 2016-03-03 14:56:08
○ 2026-04-25 00:21:50

●A172.67.213.552026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

●A2606:4700:3031::ac43:d5372026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

●A2606:4700:3033::6815:17c52026-04-25 → 2026-04-25 · 3 obs

○ 2019-12-30 03:38:02
● 2026-04-25 00:21:48
● 2026-04-25 00:21:50

○A74.80.172.462015-07-26 → 2017-03-13 · 4 obs

● 2015-07-26 17:19:42
● 2017-03-13 11:40:54
○ 2019-12-30 03:38:02
○ 2026-04-25 00:21:50

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
siudowski.com	luke.ns.cloudflare.com, rachel.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.200

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for siudowski.com (unsigned zone)

⏱️ Timing

Total: 58ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.23.197, 172.67.213.55`
AAAA	2	`2606:4700:3033::6815:17c5, 2606:4700:3031::ac43:d537`
NS	2	`luke.ns.cloudflare.com, rachel.ns.cloudflare.com`
MX	1	`_dc-mx.6b3dc77b15e6.siudowski.com (pri:`
TXT	1	`v=spf1 include:spf.mailjet.com ip4:195.2`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`luke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

The parent of smtp.siudowski.com is siudowski.com.

IP Addresses

siudowski.com maps to four IP numbers: 2606:4700:3031::ac43:d537, 2606:4700:3033::6815:17c5, 104.21.23.197 and 172.67.213.55.

other host names include thaicookingclassphuket.com, www.my-dogeos.com, manage.mercuryit.com.au, www.qyce-defender.pro and dynamicknowledge.com; they share IP numbers with siudowski.com.

Name Servers

Two name servers luke.ns.cloudflare.com and rachel.ns.cloudflare.com handle the delegation for siudowski.com.

siudowski.com shares the same name server setup as other domains, for instance iphotoilife.com, tesse.io, bocksgardencenter.com, williambennettmodern.com and artofbeingawoman.com.

siudowski.com at least partially shares name servers with other domains, for instance listeningprayer.org, telehblwaz.wiki, datavizz.in, x-max.dev and dockingparts.com.

These name servers are commonly used alongside erin.ns.cloudflare.com, kate.ns.cloudflare.com and troy.ns.cloudflare.com.

Six IP addresses per host:

luke.ns.cloudflare.com points to 2606:4700:58::adf5:3bc8, 2803:f800:50::6ca2:c1c8, 2a06:98c1:50::ac40:21c8, 108.162.193.200, 172.64.33.200 and 173.245.59.200; rachel.ns.cloudflare.com points to 2606:4700:50::adf5:3ad7, 2803:f800:50::6ca2:c0d7, 2a06:98c1:50::ac40:20d7, 108.162.192.215, 172.64.32.215 and 173.245.58.215

Mail Servers

siudowski.com is handled by a single mail server, _dc-mx.6b3dc77b15e6.siudowski.com.

The host name _dc-mx.6b3dc77b15e6.siudowski.com points to IP 188.91.180.95.

siudowski.com - robtex.com

siudowski.com

com

Subdomains

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`siudowski.com`

`com`