`refineryoptimization.com`

DNSSEC	⚠️ Not signed
A	44.230.85.241^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
		PTR	`ec2-44-230-85-241.us-west-2.compute.amazonaws.com`
A	52.33.207.7^{🇺🇸 Amazon52.32.0.0/14 EC2 PDX prefix}
NS	`curitiba.ns.porkbun.com` ⭐
		A	2400:cb00:2049:1::adf5:3a25^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	173.245.58.37^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-173-245-58-37.defastlink.net`
NS	`fortaleza.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:88c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.8.140^{Cloudflare162.159.8.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-8-140.defastlink.net`
NS	`maceio.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:bb4^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.11.180^{Cloudflare162.159.11.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-11-180.defastlink.net`
NS	`salvador.ns.porkbun.com`
		A	2400:cb00:2049:1::a29f:a96^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.10.150^{Cloudflare162.159.10.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ip-162-159-10-150.defastlink.net`
MX	`fwd1.porkbun.com` ⭐
		A	44.226.226.6^{🇺🇸 Amazon44.224.0.0/11 EC2 PDX prefix}
			PTR	`fwd1.porkbun.com`
MX	`fwd2.porkbun.com`⁽²⁰⁾
		A	52.10.201.111^{🇺🇸 Amazon52.10.0.0/15 EC2 PDX Prefix}
			PTR	`fwd2.porkbun.com`
TXT	`7ee2e0073ffecf27c9cf1257f321e63440501ed6`
TXT	`v=spf1 include:_spf.porkbun.com ~all`
SOA	`curitiba.ns.porkbun.com`dns@cloudflare.com serial=2396499695

`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=1771291435

Same first word

refineryoptimization.com

DNS History

10 records (8 active, 2 former)

●NScuritiba.ns.porkbun.com2026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

●NSfortaleza.ns.porkbun.com2026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

●NSmaceio.ns.porkbun.com2026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

○NSns.buydomains.com2016-12-19 → 2018-08-03 · 4 obs

● 2016-12-19 14:36:30
● 2018-08-03 22:42:12
○ 2026-02-15 07:59:54
○ 2026-03-23 03:12:18

●NSsalvador.ns.porkbun.com2026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

●MXfwd1.porkbun.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

●MXfwd2.porkbun.com2026-02-15 → 2026-03-23 · 2 obs

● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

○A207.148.248.1432016-12-19 → 2018-08-03 · 4 obs

● 2016-12-19 14:36:30
● 2018-08-03 22:42:12
○ 2026-02-15 07:59:54
○ 2026-03-23 03:12:18

●A44.230.85.2412026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

●A52.33.207.72026-02-15 → 2026-03-23 · 3 obs

○ 2018-08-03 22:42:12
● 2026-02-15 07:59:54
● 2026-03-23 03:12:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net...	-
refineryoptimization.com	maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com	8 records

✅ Authoritative Response

Server:162.159.11.180

NS records: maceio.ns.porkbun.com, salvador.ns.porkbun.com, fortaleza.ns.porkbun.com, curitiba.ns.porkbun.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refineryoptimization.com (unsigned zone)

⏱️ Timing

Total: 337ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`52.33.207.7, 44.230.85.241`
NS	4	`curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com...`
MX	2	`fwd1.porkbun.com (pri: 10), fwd2.porkbun.com (pri: 20)`
TXT	2	`7ee2e0073ffecf27c9cf1257f321e63440501ed6, v=spf1 include:_spf.porkbun.com ~all`
SOA	1	`curitiba.ns.porkbun.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (maceio.ns.porkbun.com, maceio.ns.porkbun.com, salvador.ns.porkbun.com...)

Analysis

IP Addresses

refineryoptimization.com points to two IPs: 44.230.85.241 and 52.33.207.7.

Other host names including brussels-griffon.net, spotscores.com, churchandnation.com, easyexpensify.com and atzimba.com share IP numbers with refineryoptimization.com.

Name Servers

refineryoptimization.com is delegated to four name servers: curitiba.ns.porkbun.com, fortaleza.ns.porkbun.com, maceio.ns.porkbun.com and salvador.ns.porkbun.com.

refineryoptimization.com at least partially shares name servers with other domains, including chollier.me, pagtaya.vip, abbevilleelementary.org, cap.cards and yoteso.agency.

Hosts with two IP numbers:

Host curitiba.ns.porkbun.com points to 2400:cb00:2049:1::adf5:3a25 and 173.245.58.37

Host fortaleza.ns.porkbun.com points to 2400:cb00:2049:1::a29f:88c and 162.159.8.140

Host maceio.ns.porkbun.com points to 2400:cb00:2049:1::a29f:bb4 and 162.159.11.180

Host salvador.ns.porkbun.com points to 2400:cb00:2049:1::a29f:a96 and 162.159.10.150

Mail Servers

refineryoptimization.com is handled by two mail servers: fwd1.porkbun.com and fwd2.porkbun.com.

refineryoptimization.com shares its mail server setup with other domains, including pop1s.com, urban-lodz.com, reynn.dev, gaming4christ.com and publichouseconsulting.com.

refineryoptimization.com shares at least partially some mail servers with other domains, for instance kianimd.com, centralviajera.com and cybersports.com.

Host names with a single IP:

fwd1.porkbun.com points to 44.226.226.6.

fwd2.porkbun.com points to 52.10.201.111.

refineryoptimization.com - robtex.com