`smartphonegurus.com`

DNSSEC	⚠️ Not signed
A	209.141.53.254^{🇺🇸 FRANTECH209.141.32.0/19 Frantech Solutions}
NS	`ns1.dynu.com` ⭐
		A	72.51.58.2^{🇨🇦 AS39801972.51.58.0/24 Dynu Systems Incorporated}
			PTR	`ns1.dynu.com`
NS	`ns2.dynu.com`
		A	2602:ff23:0:8888::2^{🇺🇸 AS3980192602:ff23::/48 PNAP-PHX003 marla-1}
			PTR	`ns1.dynu.com`
		A	108.181.13.234^{🇺🇸 AS40676108.181.0.0/19}
			PTR	`ns2.dynu.com`
NS	`ns3.dynu.com`
		A	2605:9f80:4000:214::2^{🇺🇸 DEDICATED-HIVE2605:9f80:4000::/35}
			PTR	`ns3.dynu.com`
		A	162.251.164.146^{🇺🇸 DEDICATED-HIVE162.251.164.0/24 PNAP-LAX}
			PTR	`ns3.dynu.com`
NS	`ns4.dynu.com`
		A	2604:6600:2000:39::2^{🇺🇸 AS406762604:6600:2000::/48}
			PTR	`ns4.dynu.com`
		A	108.181.159.122^{🇺🇸 AS40676108.181.156.0/22}
			PTR	`ns4.dynu.com`
NS	`ns5.dynu.com`
		A	2605:9f80:c000:404::2^{🇺🇸 DEDICATED-HIVE2605:9f80:c000::/34 PNAP-NYM 63018}
			PTR	`ns5.dynu.com`
		A	216.105.169.98^{🇺🇸 DEDICATED-HIVE216.105.169.0/24 PNAP-LAX}
			PTR	`ns5.dynu.com`
NS	`ns6.dynu.com`
		A	2607:f8f8:631:8612::2^{🇺🇸 AS273232607:f8f8:600::/40}
			PTR	`ns6.dynu.com`
		A	173.0.55.138^{🇺🇸 AS27323173.0.55.0/24 Serverstadium - abuse@serverstadium.com}
			PTR	`ns6.dynu.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`v=spf1 include:icloud.com ~all`
TXT	`apple-domain=VFoVV8H4ikPOgH1f`
TXT	`v=spf1 redirect=icloud.com`
SOA	`ns1.dynu.com`administrator@dynu.com serial=22

`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=1778434076

WOT: SAFE (79/100)

Subdomains

ns2.smartphonegurus.com

Same first word

smartphonegurus.com

DNS History

13 records (9 active, 4 former)

●NSns1.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

○NSns1.smartphonegurus.com2015-07-11 → 2017-12-28 · 4 obs

● 2015-07-11 14:13:32
● 2017-12-28 22:12:44
○ 2026-05-10 17:42:54
○ 2026-05-10 17:42:56

●NSns2.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

○NSns2.smartphonegurus.com2015-07-11 → 2017-12-28 · 4 obs

● 2015-07-11 14:13:32
● 2017-12-28 22:12:44
○ 2026-05-10 17:42:54
○ 2026-05-10 17:42:56

●NSns3.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

●NSns4.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

●NSns5.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

●NSns6.dynu.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

●MXmx01.mail.icloud.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

●MXmx02.mail.icloud.com2026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

○MXsmartphonegurus.com2015-07-11 → 2017-12-28 · 4 obs

● 2015-07-11 14:13:32
● 2017-12-28 22:12:44
○ 2026-05-10 17:42:54
○ 2026-05-10 17:42:56

○A199.167.44.652015-07-11 → 2017-12-28 · 4 obs

● 2015-07-11 14:13:32
● 2017-12-28 22:12:44
○ 2026-05-10 17:42:54
○ 2026-05-10 17:42:56

●A209.141.53.2542026-05-10 → 2026-05-10 · 3 obs

○ 2017-12-28 22:12:44
● 2026-05-10 17:42:54
● 2026-05-10 17:42:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net...	-
smartphonegurus.com	ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com...	11 records

✅ Authoritative Response

Server:2602:ff23:0:8888::2

NS records: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns5.dynu.com, ns6.dynu.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for smartphonegurus.com (unsigned zone)

⏱️ Timing

Total: 2261ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.141.53.254`
NS	6	`ns3.dynu.com, ns4.dynu.com...`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	3	`v=spf1 redirect=icloud.com, apple-domain=VFoVV8H4ikPOgH1f...`
SOA	1	`ns1.dynu.com administrator.dynu.com`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.dynu.com, ns2.dynu.com, ns2.dynu.com...)

Analysis

Hierarchy

smartphonegurus.com is a parent of ns2.smartphonegurus.com.

IP Addresses

smartphonegurus.com points to a single IP number: 209.141.53.254.

Other host names, for instance ns2.smartphonegurus.com, tekguru.co.uk, yainfo.ru and mail.yainfo.ru share IP numbers with smartphonegurus.com.

Name Servers

smartphonegurus.com is delegated to six name servers: ns1.dynu.com, ns2.dynu.com, ns3.dynu.com, ns4.dynu.com, ns5.dynu.com and ns6.dynu.com.

smartphonegurus.com at least partially shares name servers with other domains, for instance riro.net, underdal.no, dpidatamanager.com, security-alert.us and naglosnienie.org.

These name servers are commonly used with ns7.dynu.com, ns10.dynu.com, ns8.dynu.com, ns9.dynu.com, ns12.dynu.com and ns11.dynu.com.

Host names with two IP numbers:

ns2.dynu.com points to 2602:ff23:0:8888::2 and 108.181.13.234.

ns3.dynu.com points to 2605:9f80:4000:214::2 and 162.251.164.146.

ns4.dynu.com points to 2604:6600:2000:39::2 and 108.181.159.122.

ns5.dynu.com points to 2605:9f80:c000:404::2 and 216.105.169.98.

ns6.dynu.com points to 2607:f8f8:631:8612::2 and 173.0.55.138.

Host names with one IP number:

ns1.dynu.com points to 72.51.58.2.

Mail Servers

smartphonegurus.com is handled by two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

smartphonegurus.com uses the same mail server configuration as other domains, such as tradum.de, cyberapache.com, neven.koeln, ddp.lu and marcriemer.de.

smartphonegurus.com shares at least partially some mail servers with other domains, for example lesentier.org, my-place.biz and azautomotivegroup.com.

Six IP numbers per host.

mx01.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

mx02.mail.icloud.com points to: 17.42.251.62, 17.56.9.31, 17.57.152.5, 17.57.154.33, 17.57.155.25 and 17.57.156.30.

Names pointing to 17.42.251.62: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.56.9.31: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.152.5: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.154.33: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.155.25: mx01.mail.icloud.com and mx02.mail.icloud.com.

Names pointing to 17.57.156.30: mx01.mail.icloud.com and mx02.mail.icloud.com.