`bollwerkgroup.com`

DNSSEC	⚠️ Not signed
A	209.17.116.163^{🇺🇸 Jacksonville209.17.116.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
NS	`ns43.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns44.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c1b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`wv-in-f26.1e100.net`
		A	2607:f8b0:4004:c1f::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pd-in-f27.1e100.net`
		A	2607:f8b0:4004:c21::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f26.1e100.net`
		A	2607:f8b0:4004:c21::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`pe-in-f27.1e100.net`
		A	64.233.180.26^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f26.1e100.net`
			PTR	`pe-in-f26.1e100.net`
		A	64.233.180.27^{🇺🇸 Google64.233.180.0/24}
			PTR	`on-in-f27.1e100.net`
			PTR	`pe-in-f27.1e100.net`
		A	142.251.163.26^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f26.1e100.net`
		A	142.251.163.27^{🇺🇸 Google142.251.163.0/24}
			PTR	`wv-in-f27.1e100.net`
		A	142.251.179.26^{🇺🇸 Google142.251.179.0/24}
			PTR	`pd-in-f26.1e100.net`
TXT	`v=spf1 include:_spf.google.com include:_spf.bexio.com ~all`
SOA	`NS43.WORLDNIC.com`namehost@WORLDNIC.com serial=125102502

`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=1777648166

Same first word

bollwerkgroup.com

DNS History

15 records (4 active, 11 former)

○NSns1.dnsimple.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○NSns2.dnsimple.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○NSns3.dnsimple.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○NSns4.dnsimple.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

●NSns43.worldnic.com2026-04-10 → 2026-05-01 · 3 obs

○ 2018-10-24 05:07:20
● 2026-04-10 06:15:42
● 2026-05-01 15:35:44

●NSns44.worldnic.com2026-04-10 → 2026-05-01 · 3 obs

○ 2018-10-24 05:07:20
● 2026-04-10 06:15:42
● 2026-05-01 15:35:44

○MXalt1.aspmx.l.google.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○MXalt2.aspmx.l.google.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○MXalt3.aspmx.l.google.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○MXalt4.aspmx.l.google.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○MXaspmx.l.google.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

○MXmail.bollwerkgroup.com2016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

●MXsmtp.google.com2026-04-10 → 2026-05-01 · 3 obs

○ 2018-10-24 05:07:20
● 2026-04-10 06:15:42
● 2026-05-01 15:35:44

○A128.199.32.562016-12-21 → 2018-10-24 · 4 obs

● 2016-12-21 05:28:10
● 2018-10-24 05:07:20
○ 2026-04-10 06:15:42
○ 2026-05-01 15:35:44

●A209.17.116.1632026-04-10 → 2026-05-01 · 3 obs

○ 2018-10-24 05:07:20
● 2026-04-10 06:15:42
● 2026-05-01 15:35:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
bollwerkgroup.com	ns43.worldnic.com, ns44.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.50

NS records: ns43.worldnic.com, ns44.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bollwerkgroup.com (unsigned zone)

⏱️ Timing

Total: 297ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.17.116.163`
NS	2	`ns44.worldnic.com, ns43.worldnic.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	1	`v=spf1 include:_spf.google.com include:_`
SOA	1	`NS43.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns43.worldnic.com, ns44.worldnic.com)

Analysis

IP Addresses

bollwerkgroup.com points to a single IP address: 209.17.116.163.

Other host names such as housingresearch.net, newstalk1330.com, commercialmortgageoriginating.com, rosssolar.com and ercl.com share IP numbers with bollwerkgroup.com.

Name Servers

bollwerkgroup.com is delegated to two name servers: ns43.worldnic.com and ns44.worldnic.com.

bollwerkgroup.com uses the same name server setup as other domains, including thecrockers.com, intradecoexport.com, trose.org, luxecode.us and nfitest.com.

bollwerkgroup.com shares name servers with other domains, at least partially; for example cybersecurity.ventures and banfieldhospitalnews.org.

Hostnames with a single IP

ns43.worldnic.com resolves to: 162.159.26.111.

ns44.worldnic.com resolves to: 162.159.27.50.

Mail Servers

The mail server for bollwerkgroup.com is smtp.google.com.

bollwerkgroup.com uses the same mail server setup as other domains, for instance possibilitybook.com, artempresarial.com, divpos.com, vprism.com and fadibo.com.

bollwerkgroup.com shares at least some mail servers with other domains, for example kreatifsolutions.com, arredamentivisintin.com, sialtraders.com, mytec.cl and navstrobelighting.com.

these mail servers are frequently used alongside the mail servers aspmx.l.google.com.

smtp.google.com resolves to nine IP numbers: 2607:f8b0:4004:c1b::1a, 2607:f8b0:4004:c1f::1b, 2607:f8b0:4004:c21::1a, 2607:f8b0:4004:c21::1b, 64.233.180.26, 64.233.180.27, 142.251.163.26, 142.251.163.27 and 142.251.179.26.

bollwerkgroup.com - robtex.com