`expert-on-call.com`

DNSSEC	⚠️ Not signed
A	75.2.43.150^{🇺🇸 Amazon75.2.32.0/20}
		PTR	`a6033b2998aeb1ff7.awsglobalaccelerator.com`
A	99.83.186.106^{🇺🇸 Amazon99.83.176.0/20}
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net`
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns3.p01.nsone.net`
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns4.p01.nsone.net`
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`ns01.jnjdns.com`
		A	2607:f740:e659::1^{🇺🇸 NETACTUATE2607:f740:e659::/48 NetActuate, Inc}
			PTR	`ns01.jnjdns.com`
		A	45.54.33.1^{🇺🇸 NETACTUATE45.54.33.0/24 NetActuate, Inc}
			PTR	`ns01.jnjdns.com`
NS	`ns02.jnjdns.com`
		A	2607:f740:e659:4::1^{🇺🇸 NETACTUATE2607:f740:e659::/48 NetActuate, Inc}
		A	45.54.33.65^{🇺🇸 NETACTUATE45.54.33.0/24 NetActuate, Inc}
			PTR	`ns02.jnjdns.com`
NS	`ns03.jnjdns.com`
		A	2607:f740:e659:8::1^{🇺🇸 NETACTUATE2607:f740:e659::/48 NetActuate, Inc}
		A	45.54.33.129^{🇺🇸 NETACTUATE45.54.33.0/24 NetActuate, Inc}
			PTR	`ns03.jnjdns.com`
NS	`ns04.jnjdns.com`
		A	2607:f740:e659:c::1^{🇺🇸 NETACTUATE2607:f740:e659::/48 NetActuate, Inc}
		A	45.54.33.193^{🇺🇸 NETACTUATE45.54.33.0/24 NetActuate, Inc}
			PTR	`ns04.jnjdns.com`
MX	`mxa.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.149.254.5^{🇺🇸 Google34.148.0.0/14}
			PTR	`5.254.149.34.bc.googleusercontent.com`
TXT	`v=spf1 include:mailgun.org ~all`
SOA	`dns1.p01.nsone.net`hostmaster@nsone.net serial=1717982522

`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=1778469036

Same first word

expert-on-call.com

expert-on-call.co.uk

DNS History

14 records (12 active, 2 former)

●NSdns1.p01.nsone.net2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSdns2.p01.nsone.net2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSdns3.p01.nsone.net2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSdns4.p01.nsone.net2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSns01.jnjdns.com2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSns02.jnjdns.com2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSns03.jnjdns.com2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●NSns04.jnjdns.com2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●MXmxa.mailgun.org2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

●MXmxb.mailgun.org2026-02-16 → 2026-05-11 · 2 obs

● 2026-02-16 02:11:02
● 2026-05-11 03:28:48

○A13.248.160.1372026-02-16 → 2026-05-07 · 256 obs

○ 2026-02-16 02:11:02
● 2026-02-16 06:57:26
○ 2026-02-16 16:00:40
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● 2026-04-29 18:52:08
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○ 2026-05-11 03:28:48

●A75.2.43.1502026-02-16 → 2026-05-11 · 256 obs

● 2026-02-16 02:11:02
○ 2026-02-16 06:57:26
● 2026-02-16 16:00:40
● 2026-02-17 03:19:12
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○A76.223.34.1242026-02-16 → 2026-05-07 · 256 obs

●A99.83.186.1062026-02-16 → 2026-05-11 · 256 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, i.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
expert-on-call.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net...	4 records

✅ Authoritative Response

Server:198.51.44.65

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net, ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for expert-on-call.com (unsigned zone)

⏱️ Timing

Total: 595ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`99.83.186.106, 75.2.43.150`
NS	8	`dns1.p01.nsone.net, dns2.p01.nsone.net...`
MX	2	`mxb.mailgun.org (pri: 10), mxa.mailgun.org (pri: 10)`
TXT	1	`v=spf1 include:mailgun.org ~all`
SOA	1	`dns1.p01.nsone.net hostmaster.nsone.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com...)

Analysis

IP Addresses

expert-on-call.com resolves to two IP numbers: 75.2.43.150 and 99.83.186.106.

Other host names, for instance build.info, daviswarshow.com, footyshow.com.au, atlantakitchencabinets.com and argento.com share IP numbers with expert-on-call.com.

Name Servers

expert-on-call.com delegates to eight name servers: ns01.jnjdns.com, ns02.jnjdns.com, ns03.jnjdns.com, ns04.jnjdns.com, dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net and dns4.p01.nsone.net.

expert-on-call.com partially shares name servers with other domains; examples include mywxcloud.com, fernsehmelle.de, evesheedyyoga.com, romyblack.com and srsdesigns.org.

These name servers are commonly used alongside ns01.squarespacedns.com, ns02.squarespacedns.com, ns03.squarespacedns.com, ns04.squarespacedns.com, connect1.squarespacedns.com, connect2.squarespacedns.com, dns1.p03.nsone.net, dns2.p03.nsone.net, dns3.p03.nsone.net and dns4.p03.nsone.net.

Host names with two IP numbers:

Host ns01.jnjdns.com points to 2607:f740:e659::1 and 45.54.33.1

Host ns02.jnjdns.com points to 2607:f740:e659:4::1 and 45.54.33.65

Host ns03.jnjdns.com points to 2607:f740:e659:8::1 and 45.54.33.129

Host ns04.jnjdns.com points to 2607:f740:e659:c::1 and 45.54.33.193

Host dns1.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:1 and 198.51.44.1

Host dns2.p01.nsone.net points to 2a00:edc0:6259:7:1::2 and 198.51.45.1

Host dns3.p01.nsone.net points to 2620:4d:4000:6259:7:1:0:3 and 198.51.44.65

Host dns4.p01.nsone.net points to 2a00:edc0:6259:7:1::4 and 198.51.45.65

Mail Servers

expert-on-call.com is handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.

expert-on-call.com has the same mail server setup as other domains, including shpbed.com, uniondusanitaire.com, madot.net, ststephensforanechurchnewyork.org and pavanmishra.com.

expert-on-call.com shares some mail servers with other domains, at least partially, such as shsteel.com.tw, fkvelez.ba, collins.buzz, cannaemascotas.cl and it-academy.by.

these mail servers are commonly used with aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

Host names with one IP number: The host name mxa.mailgun.org points to 34.36.182.139 and the host name mxb.mailgun.org points to 34.149.254.5.

expert-on-call.com - robtex.com