constructiontutor.com - dns.ninja

`constructiontutor.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::6815:1de^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::ac43:801b^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.1.222^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.27^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`duke.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b6e^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16e^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`duke.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216e^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`duke.ns.cloudflare.com`
		A	108.162.193.110^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	172.64.33.110^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
		A	173.245.59.110^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`duke.ns.cloudflare.com`
NS	`meadow.ns.cloudflare.com`
		A	2606:4700:50::a29f:2633^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c233^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`meadow.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2233^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`meadow.ns.cloudflare.com`
		A	108.162.194.51^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	162.159.38.51^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
		A	172.64.34.51^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`meadow.ns.cloudflare.com`
MX	`blizzard-relay.mxrouting.net` ⭐
		A	45.43.208.19^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
			PTR	`blizzard.mxrouting.net`
MX	`blizzard.mxrouting.net`⁽²⁰⁾
		A	45.43.208.19^{🇺🇸 QUICKPACKET45.43.208.0/24 QuickPacket LLC}
			PTR	`blizzard.mxrouting.net`
TXT	`google-site-verification=LRyPsx-OxqKevr2-gwKvmBYGUvBxSYb5sRRdG0QQKOc`
TXT	`v=spf1 include:mxroute.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.1.222, 172.67.128.27
		IPv6 hints	2606:4700:3034::6815:1de, 2606:4700:3036::ac43:801b
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com
SOA	`duke.ns.cloudflare.com`dns@cloudflare.com serial=2410474784

`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=1786708734

Same first word

constructiontutor.com

DNS History

14 records (8 active, 6 former)

●NSduke.ns.cloudflare.com2026-03-02 → 2026-08-14 · 2 obs

● 2026-03-02 17:02:34
● 2026-08-14 12:24:58

●NSmeadow.ns.cloudflare.com2026-03-02 → 2026-08-14 · 2 obs

● 2026-03-02 17:02:34
● 2026-08-14 12:24:58

●MXblizzard-relay.mxrouting.net2026-03-02 → 2026-08-14 · 2 obs

● 2026-03-02 17:02:34
● 2026-08-14 12:24:58

●MXblizzard.mxrouting.net2026-03-02 → 2026-08-14 · 2 obs

● 2026-03-02 17:02:34
● 2026-08-14 12:24:58

●A104.21.1.2222026-04-13 → 2026-08-14 · 3 obs

○ 2026-03-02 17:02:34
● 2026-04-13 02:06:48
● 2026-08-14 12:24:58

●A172.67.128.272026-04-13 → 2026-08-14 · 3 obs

○ 2026-03-02 17:02:34
● 2026-04-13 02:06:48
● 2026-08-14 12:24:58

○A188.114.96.02026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:02:34
○ 2026-04-13 02:06:48
○ 2026-08-14 12:24:58

○A188.114.97.02026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:02:34
○ 2026-04-13 02:06:48
○ 2026-08-14 12:24:58

○A2606:4700:3032::ac43:801b2026-04-13 → 2026-06-10 · 4 obs

○ 2026-03-02 17:02:34
● 2026-04-13 02:06:48
● 2026-06-10 19:33:36
○ 2026-08-14 12:24:58

○A2606:4700:3033::6815:1de2026-04-13 → 2026-06-10 · 4 obs

○ 2026-03-02 17:02:34
● 2026-04-13 02:06:48
● 2026-06-10 19:33:36
○ 2026-08-14 12:24:58

●A2606:4700:3034::6815:1de2026-08-14 → 2026-08-14 · 2 obs

○ 2026-06-10 19:33:36
● 2026-08-14 12:24:58

●A2606:4700:3036::ac43:801b2026-08-14 → 2026-08-14 · 2 obs

○ 2026-06-10 19:33:36
● 2026-08-14 12:24:58

○A2a06:98c1:3120::2026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:02:34
○ 2026-04-13 02:06:48
○ 2026-08-14 12:24:58

○A2a06:98c1:3121::2026-03-02 → 2026-03-02 · 3 obs

● 2026-03-02 17:02:34
○ 2026-04-13 02:06:48
○ 2026-08-14 12:24:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
constructiontutor.com	duke.ns.cloudflare.com, meadow.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.110

NS records: duke.ns.cloudflare.com, meadow.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for constructiontutor.com (unsigned zone)

⏱️ Timing

Total: 154ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.128.27, 104.21.1.222`
AAAA	2	`2606:4700:3036::ac43:801b, 2606:4700:3034::6815:1de`
NS	2	`duke.ns.cloudflare.com, meadow.ns.cloudflare.com`
MX	2	`blizzard.mxrouting.net (pri: 10), blizzard-relay.mxrouting.net (pri: 20)`
TXT	2	`google-site-verification=LRyPsx-OxqKevr2, v=spf1 include:mxroute.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`duke.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

constructiontutor.com has four IP addresses: 104.21.1.222, 172.67.128.27, 2606:4700:3034::6815:1de and 2606:4700:3036::ac43:801b.

mail.josephfouts.com, mail.kovdozero.ru, www.dckl.com plus two other host names have IP numbers in common with constructiontutor.com.

Name Servers

DNS delegation for constructiontutor.com points to two name servers: duke.ns.cloudflare.com and meadow.ns.cloudflare.com.

The name server configuration of constructiontutor.com is shared with other domains, for instance volatile.be, foxylabels.com, hvacdatabase.com and two others.

constructiontutor.com shares at least some of its name servers with other domains, including prismaimob.com.br, 2023fh.com, dogan.io and two others.

These name servers are frequently seen alongside the name servers arvind.ns.cloudflare.com.

Hosts with 6 IP addresses each:

duke.ns.cloudflare.com has IP addresses 108.162.193.110, 172.64.33.110 and 173.245.59.110, plus 3 other.

meadow.ns.cloudflare.com has IP addresses 108.162.194.51, 162.159.38.51 and 172.64.34.51, plus 3 other.

Mail Servers

constructiontutor.com uses two mail servers, blizzard-relay.mxrouting.net and blizzard.mxrouting.net.

The mail server setup of constructiontutor.com matches that of other domains such as solvetechnology.com, berksfun.com, vallesslp.gob.mx and two others.

At least some of the mail servers used by constructiontutor.com are shared with other domains: cikeblog.com, dmxmotors.com, radrue.com and two others among them.

Both blizzard-relay.mxrouting.net and blizzard.mxrouting.net have a single IP address, 45.43.208.19, and share it.

Host names pointing to 45.43.208.19 IP addresses: blizzard-relay.mxrouting.net and blizzard.mxrouting.net.