`strongplusplus.com`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
		PTR	`aeedc42b70c898c66.awsglobalaccelerator.com`
NS	`ha1.markmonitor.zone` ⭐
		A	2001:67c:1bc::5^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ha1.markmonitor.zone`
		A	192.174.68.5^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ha1.markmonitor.zone`
NS	`ha2.markmonitor.zone`
		A	2620:10a:80eb::6b^{🇨🇦 CIRA-22620:10a:80eb::/48 D-Zone Anycast Cloud 1}
			PTR	`ha2.markmonitor.zone`
		A	162.219.54.170^{🇨🇦 CIRA-2162.219.54.0/24 D-Zone Anycast Cloud1}
			PTR	`ha2.markmonitor.zone`
NS	`ha3.markmonitor.zone`
		A	2001:67c:10b8::5^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ha3.markmonitor.zone`
		A	176.97.158.5^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ha3.markmonitor.zone`
NS	`ha4.markmonitor.zone`
		A	2620:10a:80ec::6b^{🇨🇦 CIRA-32620:10a:80ec::/48 D-Zone IPv6 Anycast Cloud 2}
			PTR	`ha4.markmonitor.zone`
		A	162.219.55.170^{🇨🇦 CIRA-3162.219.55.0/24 D-Zone Anycast Cloud 2}
			PTR	`ha4.markmonitor.zone`
TXT	`v=spf1 -all`
SOA	`ha1.markmonitor.zone`hostmaster@markmonitor.com 2021-09-09 #3

`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=1783205326

Subdomains

mail.strongplusplus.com

Same first word

strongplusplus.com

DNS History

14 records (5 active, 9 former)

●NSha1.markmonitor.zone2026-02-27 → 2026-07-04 · 3 obs

○ 2020-01-19 00:33:02
● 2026-02-27 22:53:56
● 2026-07-04 23:13:42

●NSha2.markmonitor.zone2026-02-27 → 2026-07-04 · 3 obs

○ 2020-01-19 00:33:02
● 2026-02-27 22:53:56
● 2026-07-04 23:13:42

●NSha3.markmonitor.zone2026-02-27 → 2026-07-04 · 3 obs

○ 2020-01-19 00:33:02
● 2026-02-27 22:53:56
● 2026-07-04 23:13:42

●NSha4.markmonitor.zone2026-02-27 → 2026-07-04 · 3 obs

○ 2020-01-19 00:33:02
● 2026-02-27 22:53:56
● 2026-07-04 23:13:42

○NSns1.dnsitalia.net2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 06:47:00
○ 2015-12-02 17:54:48
○ 2026-07-04 23:13:42

○NSns2.dnsitalia.net2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 06:47:00
○ 2015-12-02 17:54:48
○ 2026-07-04 23:13:42

○NSns2.observatoiredesmarques.fr2015-12-02 → 2020-01-19 · 5 obs

○ 2015-08-16 06:47:00
● 2015-12-02 17:54:48
● 2020-01-19 00:33:02
○ 2026-02-27 22:53:56
○ 2026-07-04 23:13:42

○NSns3.nameshield.net2015-12-02 → 2020-01-19 · 5 obs

○ 2015-08-16 06:47:00
● 2015-12-02 17:54:48
● 2020-01-19 00:33:02
○ 2026-02-27 22:53:56
○ 2026-07-04 23:13:42

○NSnsct.dnsitalia.net2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 06:47:00
○ 2015-12-02 17:54:48
○ 2026-07-04 23:13:42

○NSnsrm.dnsitalia.net2015-08-16 → 2015-08-16 · 3 obs

● 2015-08-16 06:47:00
○ 2015-12-02 17:54:48
○ 2026-07-04 23:13:42

○NSobs.ns1.fr2015-12-02 → 2020-01-19 · 5 obs

○ 2015-08-16 06:47:00
● 2015-12-02 17:54:48
● 2020-01-19 00:33:02
○ 2026-02-27 22:53:56
○ 2026-07-04 23:13:42

○MXmail.strongplusplus.com2015-08-16 → 2020-01-19 · 4 obs

● 2015-08-16 06:47:00
● 2020-01-19 00:33:02
○ 2026-02-27 22:53:56
○ 2026-07-04 23:13:42

○A194.242.61.722015-08-16 → 2020-01-19 · 4 obs

● 2015-08-16 06:47:00
● 2020-01-19 00:33:02
○ 2026-02-27 22:53:56
○ 2026-07-04 23:13:42

●A3.33.139.322026-02-27 → 2026-07-04 · 3 obs

○ 2020-01-19 00:33:02
● 2026-02-27 22:53:56
● 2026-07-04 23:13:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
strongplusplus.com	ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone	-

✅ Authoritative Response

Server:162.219.55.170

NS records: ha4.markmonitor.zone, ha2.markmonitor.zone, ha1.markmonitor.zone, ha3.markmonitor.zone

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for strongplusplus.com (unsigned zone)

⏱️ Timing

Total: 513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	4	`ha3.markmonitor.zone, ha2.markmonitor.zone...`
TXT	1	`v=spf1 -all`
SOA	1	`ha1.markmonitor.zone hostmaster.markmoni`

Analysis

Hierarchy

mail.strongplusplus.com is delegated beneath strongplusplus.com.

IP Addresses

strongplusplus.com resolves to one IP address: 3.33.139.32.

bigstockfreephoto.org, patagonia.international, thecampusproject.org and two other host names share IP numbers with strongplusplus.com.

Name Servers

The authoritative name servers for strongplusplus.com are ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.

There is at least partial name server overlap between strongplusplus.com and other domains — desjardinsouestdelile.com, ecolab.tel, eylea4u.net and two more among them.

These name servers regularly appear alongside ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com and 4 other name servers in NS record sets.

All four hostnames — ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone — resolve to two IP numbers apiece: ha1.markmonitor.zone to 192.174.68.5 and 2001:67c:1bc::5; ha2.markmonitor.zone to 162.219.54.170 and 2620:10a:80eb::6b; ha3.markmonitor.zone to 176.97.158.5 and 2001:67c:10b8::5; ha4.markmonitor.zone to 162.219.55.170 and 2620:10a:80ec::6b.

strongplusplus.com - robtex.com