spenceengineering.com - dns.ninja

`spenceengineering.com`

DNSSEC	⚠️ Not signed
A	2606:4700:4406::6812:2688^{🇺🇸 Cloudflare2606:4700:4406::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2a06:98c1:3104::ac40:9578^{🇺🇸 Cloudflare2a06:98c1:3104::/48} ✓ In HTTPS hints
A	104.18.38.136^{Cloudflare104.18.38.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.64.149.120^{🇺🇸 Cloudflare172.64.149.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`blue.foundationdns.com` ⭐
		A	2606:4700:57::6ca2:c601^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.com`
		A	2803:f800:52::a29f:3c01^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.com`
		A	2a06:98c1:56::ac40:2801^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.com`
		A	108.162.198.1^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
		A	162.159.60.1^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
		A	172.64.40.1^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.com`
NS	`blue.foundationdns.net`
		A	2606:4700:57::6ca2:c61f^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.net`
		A	2803:f800:52::a29f:3c1f^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.net`
		A	2a06:98c1:56::ac40:281f^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.net`
		A	108.162.198.31^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
		A	162.159.60.31^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
		A	172.64.40.31^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.net`
NS	`blue.foundationdns.org`
		A	2606:4700:57::6ca2:c63d^{🇺🇸 Cloudflare2606:4700:57::/48}
			PTR	`blue.foundationdns.org`
		A	2803:f800:52::a29f:3c3d^{🇨🇷 Cloudflare2803:f800:52::/48 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`blue.foundationdns.org`
		A	2a06:98c1:56::ac40:283d^{🇺🇸 Cloudflare2a06:98c1:56::/48}
			PTR	`blue.foundationdns.org`
		A	108.162.198.61^{🇺🇸 Cloudflare108.162.198.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
		A	162.159.60.61^{Cloudflare162.159.60.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
		A	172.64.40.61^{🇺🇸 Cloudflare172.64.40.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`blue.foundationdns.org`
MX	`mxa-00300601.gslb.pphosted.com` ⭐
		A	148.163.146.64^{🇺🇸 Proofpoint148.163.146.0/24 Inc.}
			PTR	`mx0a-00300601.pphosted.com`
MX	`mxb-00300601.gslb.pphosted.com` ⭐
		A	148.163.146.64^{🇺🇸 Proofpoint148.163.146.0/24 Inc.}
			PTR	`mx0a-00300601.pphosted.com`
TXT	`MS=ms42062549`
TXT	`_8bb3bgonphxrq8a74i7lbba653mf9n5`
TXT	`pgrgr8tl9d4c9x308jv6kb2hvcwlqq7k`
TXT	`v=spf1 -all`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/2 ✓ hints match
		IPv4 hints	104.18.38.136, 172.64.149.120
		IPv6 hints	2606:4700:4406::6812:2688, 2a06:98c1:3104::ac40:9578
SOA	`blue.foundationdns.com`dns@cloudflare.com serial=2412003301

`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=1786525704

WOT: SAFE (69/100)

Same first word

spenceengineering.com

DNS History

23 records (9 active, 14 former)

●NSblue.foundationdns.com2026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

●NSblue.foundationdns.net2026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

●NSblue.foundationdns.org2026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

○NSns-1214.awsdns-23.org2016-07-17 → 2017-05-31 · 5 obs

○ 2016-02-08 05:07:02
● 2016-07-17 17:27:14
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

○NSns-160.awsdns-20.com2016-07-17 → 2017-05-31 · 5 obs

○ 2016-02-08 05:07:02
● 2016-07-17 17:27:14
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

○NSns-1779.awsdns-30.co.uk2016-07-17 → 2017-05-31 · 5 obs

○ 2016-02-08 05:07:02
● 2016-07-17 17:27:14
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

○NSns-992.awsdns-60.net2016-07-17 → 2017-05-31 · 5 obs

○ 2016-02-08 05:07:02
● 2016-07-17 17:27:14
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

○NSns.lesliecontrols.com2015-07-01 → 2016-02-08 · 4 obs

● 2015-07-01 19:40:04
● 2016-02-08 05:07:02
○ 2016-07-17 17:27:14
○ 2026-08-12 09:31:24

○NSns.spenceengineering.com2015-07-01 → 2016-02-08 · 4 obs

● 2015-07-01 19:40:04
● 2016-02-08 05:07:02
○ 2016-07-17 17:27:14
○ 2026-08-12 09:31:24

○NSns1.circor.com2015-07-01 → 2016-02-08 · 4 obs

● 2015-07-01 19:40:04
● 2016-02-08 05:07:02
○ 2016-07-17 17:27:14
○ 2026-08-12 09:31:24

○NSns2.circor.com2015-07-01 → 2016-02-08 · 4 obs

● 2015-07-01 19:40:04
● 2016-02-08 05:07:02
○ 2016-07-17 17:27:14
○ 2026-08-12 09:31:24

○NSns3.circor.com2015-07-01 → 2016-02-08 · 4 obs

● 2015-07-01 19:40:04
● 2016-02-08 05:07:02
○ 2016-07-17 17:27:14
○ 2026-08-12 09:31:24

○MXcluster8.us.messagelabs.com2015-07-01 → 2017-05-31 · 4 obs

● 2015-07-01 19:40:04
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

○MXcluster8a.us.messagelabs.com2015-07-01 → 2017-05-31 · 4 obs

● 2015-07-01 19:40:04
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

●MXmxa-00300601.gslb.pphosted.com2026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

●MXmxb-00300601.gslb.pphosted.com2026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

●A104.18.38.1362026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

●A172.64.149.1202026-03-01 → 2026-08-12 · 3 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-08-12 09:31:24

○A2606:4700:4400::ac40:95782026-03-01 → 2026-06-14 · 5 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-06-14 21:02:12
○ 2026-07-03 22:02:22
○ 2026-08-12 09:31:24

○A2606:4700:4401::6812:26882026-03-01 → 2026-06-14 · 5 obs

○ 2017-05-31 18:37:48
● 2026-03-01 05:37:54
● 2026-06-14 21:02:12
○ 2026-07-03 22:02:22
○ 2026-08-12 09:31:24

●A2606:4700:4406::6812:26882026-07-03 → 2026-08-12 · 3 obs

○ 2026-06-14 21:02:12
● 2026-07-03 22:02:22
● 2026-08-12 09:31:24

●A2a06:98c1:3104::ac40:95782026-07-03 → 2026-08-12 · 3 obs

○ 2026-06-14 21:02:12
● 2026-07-03 22:02:22
● 2026-08-12 09:31:24

○A50.75.231.1312015-07-01 → 2017-05-31 · 4 obs

● 2015-07-01 19:40:04
● 2017-05-31 18:37:48
○ 2026-03-01 05:37:54
○ 2026-08-12 09:31:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, a.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
spenceengineering.com	blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org	6 records

✅ Authoritative Response

Server:172.64.40.61

NS records: blue.foundationdns.com, blue.foundationdns.net, blue.foundationdns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for spenceengineering.com (unsigned zone)

⏱️ Timing

Total: 463ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.64.149.120, 104.18.38.136`
AAAA	2	`2a06:98c1:3104::ac40:9578, 2606:4700:4406::6812:2688`
NS	3	`blue.foundationdns.com, blue.foundationdns.net...`
MX	2	`mxa-00300601.gslb.pphosted.com (pri: 10), mxb-00300601.gslb.pphosted.com (pri: 10)`
TXT	5	`MS=ms42062549, _8bb3bgonphxrq8a74i7lbba653mf9n5...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h2"]`
SOA	1	`blue.foundationdns.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 6

Out-of-bailiwick: 6 (blue.foundationdns.com, blue.foundationdns.com, blue.foundationdns.com...)

Analysis

IP Addresses

spenceengineering.com directs to four IP numbers, which are 104.18.38.136, 172.64.149.120, 2606:4700:4406::6812:2688 and 2a06:98c1:3104::ac40:9578.

oa360app.com, www.nephrocare.it, glassdoor.ch and two other host names share IP numbers with spenceengineering.com.

Name Servers

spenceengineering.com has three name servers — blue.foundationdns.com, blue.foundationdns.net and blue.foundationdns.org.

There is at least partial name server overlap between spenceengineering.com and other domains — uspsdirectmail.com, campplan.utah.edu, xycpx.net and two more among them.

It is common to find these name servers alongside the name servers dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and two others.

Hostnames that resolve to 6 IP addresses:

blue.foundationdns.com points to 108.162.198.1, 162.159.60.1, 172.64.40.1 and 3 other IP addresses.

blue.foundationdns.net points to 108.162.198.31, 162.159.60.31, 172.64.40.31 and 3 other IP addresses.

blue.foundationdns.org points to 108.162.198.61, 162.159.60.61, 172.64.40.61 and 3 other IP addresses.

Mail Servers

Mail for spenceengineering.com is handled by two mail servers — mxa-00300601.gslb.pphosted.com and mxb-00300601.gslb.pphosted.com.

spenceengineering.com uses an identical mail server configuration to several other domains — among them progea.us, emersonacp.com, emersonprocess.jp and two more.

spenceengineering.com has at least partial mail server overlap with other domains such as aventics.com, ridgid.com.cdn.cloudflare.net, flexim.co.uk and two more.

These mail servers are routinely found in combination with the mail servers mx16a.antispameurope.com, mx16b.antispameurope.com and mx16c.antispameurope.com.

mxa-00300601.gslb.pphosted.com and mxb-00300601.gslb.pphosted.com each point to one IP address — 148.163.146.64.

The host names mxa-00300601.gslb.pphosted.com and mxb-00300601.gslb.pphosted.com both resolve to 148.163.146.64 IP addresses.