🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`samwonengineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::6815:4bd3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::ac43:b637^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.75.211^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.182.55^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`piotr.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bde^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1de^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`piotr.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21de^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`piotr.ns.cloudflare.com`
		A	108.162.193.222^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	172.64.33.222^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
		A	173.245.59.222^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`piotr.ns.cloudflare.com`
NS	`shaz.ns.cloudflare.com`
		A	2606:4700:50::a29f:26f9^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2f9^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`shaz.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22f9^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`shaz.ns.cloudflare.com`
		A	108.162.194.249^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	162.159.38.249^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
		A	172.64.34.249^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`shaz.ns.cloudflare.com`
MX	`alf1-aspmx.whoisworks.com` ⭐
		A	193.123.252.198^{🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle}
			PTR	`filter00.whoisworks.com`
MX	`alf2-aspmx.whoisworks.com` ⭐
		A	152.70.238.229^{🇰🇷 ORACLE-OCI-31898152.70.232.0/21}
			PTR	`filter01.whoisworks.com`
MX	`aspmx.whoisworks.com` ⭐
		A	193.123.252.198^{🇰🇷 ORACLE-OCI-31898193.123.224.0/19 KINX-Oracle}
			PTR	`filter00.whoisworks.com`
TXT	`v=spf1 include:spf1.whoisworks.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.75.211, 172.67.182.55
		IPv6 hints	2606:4700:3035::6815:4bd3, 2606:4700:3037::ac43:b637
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=188, name=cloudflare-ech.com
SOA	`piotr.ns.cloudflare.com`dns@cloudflare.com serial=2417680889

`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=1794688746

Same first word

samwonengineering.com

Previous names

Next names

DNS History

13 records (9 active, 4 former)

●NSpiotr.ns.cloudflare.com2026-10-16 → 2026-11-14 · 2 obs

● 2026-10-16 23:12:22
● 2026-11-14 20:42:26

●NSshaz.ns.cloudflare.com2026-10-16 → 2026-11-14 · 2 obs

● 2026-10-16 23:12:22
● 2026-11-14 20:42:26

●MXalf1-aspmx.whoisworks.com2026-10-16 → 2026-11-14 · 2 obs

● 2026-10-16 23:12:22
● 2026-11-14 20:42:26

●MXalf2-aspmx.whoisworks.com2026-10-16 → 2026-11-14 · 2 obs

● 2026-10-16 23:12:22
● 2026-11-14 20:42:26

●MXaspmx.whoisworks.com2026-10-16 → 2026-11-14 · 2 obs

● 2026-10-16 23:12:22
● 2026-11-14 20:42:26

●A104.21.75.2112026-11-14 → 2026-11-14 · 3 obs

○ 2026-10-16 23:12:22
● 2026-11-14 20:42:20
● 2026-11-14 20:42:26

●A172.67.182.552026-11-14 → 2026-11-14 · 3 obs

○ 2026-10-16 23:12:22
● 2026-11-14 20:42:20
● 2026-11-14 20:42:26

○A188.114.96.02026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 23:12:22
○ 2026-11-14 20:42:20
○ 2026-11-14 20:42:26

○A188.114.97.02026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 23:12:22
○ 2026-11-14 20:42:20
○ 2026-11-14 20:42:26

●A2606:4700:3035::6815:4bd32026-11-14 → 2026-11-14 · 3 obs

○ 2026-10-16 23:12:22
● 2026-11-14 20:42:20
● 2026-11-14 20:42:26

●A2606:4700:3037::ac43:b6372026-11-14 → 2026-11-14 · 3 obs

○ 2026-10-16 23:12:22
● 2026-11-14 20:42:20
● 2026-11-14 20:42:26

○A2a06:98c1:3120::2026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 23:12:22
○ 2026-11-14 20:42:20
○ 2026-11-14 20:42:26

○A2a06:98c1:3121::2026-10-16 → 2026-10-16 · 3 obs

● 2026-10-16 23:12:22
○ 2026-11-14 20:42:20
○ 2026-11-14 20:42:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
samwonengineering.com	piotr.ns.cloudflare.com, shaz.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:172.64.34.249

NS records: piotr.ns.cloudflare.com, shaz.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 95ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.182.55, 104.21.75.211`
AAAA	2	`2606:4700:3035::6815:4bd3, 2606:4700:3037::ac43:b637`
NS	2	`piotr.ns.cloudflare.com, shaz.ns.cloudflare.com`
MX	3	`alf1-aspmx.whoisworks.com (pri: 10), alf2-aspmx.whoisworks.com (pri: 10)...`
TXT	1	`v=spf1 include:spf1.whoisworks.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`piotr.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

samwonengineering.com has four IP addresses: 104.21.75.211, 172.67.182.55, 2606:4700:3035::6815:4bd3 and 2606:4700:3037::ac43:b637.

Additional host names — eaglebrookworks.com, efxsjmqyrc.help, paynter3d.com and two others — share IP numbers with samwonengineering.com.

Name Servers

samwonengineering.com is served by two delegated name servers, piotr.ns.cloudflare.com and shaz.ns.cloudflare.com.

samwonengineering.com shares its name server setup with other domains, including frontofthebox.co.nz, duckducknotion.com, slandx.com and two others.

samwonengineering.com partially shares its NS delegation with several other domains, including yourhou(0x736578)pert.com, bridgewaterpallets.com, fliixtor.cyou and two others.

These name servers often co-occur with the name servers betty.ns.cloudflare.com.

Host names with 6 IP numbers:

piotr.ns.cloudflare.com carries IP addresses 108.162.193.222, 172.64.33.222 and 173.245.59.222, with 3 other addresses beyond those.

shaz.ns.cloudflare.com carries IP addresses 108.162.194.249, 162.159.38.249 and 172.64.34.249, with 3 other addresses beyond those.

Mail Servers

samwonengineering.com uses three mail servers — alf1-aspmx.whoisworks.com, alf2-aspmx.whoisworks.com and aspmx.whoisworks.com.

samwonengineering.com shares mail servers — at least in part — with other domains, including foosung.net, pipartners.co.kr, nextier1.com and two others.

The mail servers alf1.aspmx.whoisworks.com and alf2.aspmx.whoisworks.com regularly co-occur with these mail servers.

alf1-aspmx.whoisworks.com, alf2-aspmx.whoisworks.com and aspmx.whoisworks.com each resolve to a single IP address: alf1-aspmx.whoisworks.com resolves to 193.123.252.198, alf2-aspmx.whoisworks.com resolves to 152.70.238.229 and aspmx.whoisworks.com resolves to 193.123.252.198.

These two host names — alf1-aspmx.whoisworks.com and aspmx.whoisworks.com — each point to 193.123.252.198 IP addresses.

samwonengineering.com - robtex.com