`roadrunnerboston.com`

DNSSEC	⚠️ Not signed
A	35.222.180.50^{🇺🇸 Google35.222.176.0/21}
		PTR	`50.180.222.35.bc.googleusercontent.com`
NS	`pdns73.ultradns.com` ⭐
		A	2001:502:f3ff::6d^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns73.ultradns.com`
		A	156.154.64.73^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns73.ultradns.com`
NS	`pdns73.ultradns.biz`
		A	2610:a1:1015::6d^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns73.ultradns.biz`
		A	156.154.66.73^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns73.ultradns.biz`
NS	`pdns73.ultradns.net`
		A	2610:a1:1014::6d^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns73.ultradns.net`
		A	156.154.65.73^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns73.ultradns.net`
NS	`pdns73.ultradns.org`
		A	2001:502:4612::6d^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns73.ultradns.org`
		A	156.154.67.73^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns73.ultradns.org`
MX	`roadrunnerboston-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c927::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-bn8pr05cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:c946::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-ch5pr02cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:f802::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-byapr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f90f::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sa9pr04cu00201.inbound.protection.outlook.com`
		A	52.101.11.2^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sn1pr03cu00102.inbound.protection.outlook.com`
		A	52.101.41.22^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj2pr05cu00406.inbound.protection.outlook.com`
		A	52.101.41.24^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-sj0pr03cu01600.inbound.protection.outlook.com`
		A	52.101.194.3^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch1pr04cu00103.inbound.protection.outlook.com`
TXT	`apple-domain-verification=cpsn7lipseGZfWfm`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`google-site-verification=x4tPCj9MmLeZS4ZdRSNziyj0Z6UG5fwQc4GVO2IqTzQ`
TXT	`iJkmYVP/n8K+HySwcCrJAqWoTWyUFKpcSYBuyhSNf9t3fz0iNQFTtHSEv4zhIVtepk6Ha9u+0vtUa...`
SOA	`pdns73.ultradns.com`domainadmin@aegworldwide.com 2021-05-04 #23

`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=1771291435

Same first word

roadrunnerboston.com

DNS History

11 records (6 active, 5 former)

○NSns85.worldnic.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:16:38
○ 2026-02-22 19:04:54
○ 2026-03-22 23:52:36

○NSns86.worldnic.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:16:38
○ 2026-02-22 19:04:54
○ 2026-03-22 23:52:36

●NSpdns73.ultradns.biz2026-02-22 → 2026-03-22 · 3 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
● 2026-03-22 23:52:36

●NSpdns73.ultradns.com2026-02-22 → 2026-03-22 · 3 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
● 2026-03-22 23:52:36

●NSpdns73.ultradns.net2026-02-22 → 2026-03-22 · 3 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
● 2026-03-22 23:52:36

●NSpdns73.ultradns.org2026-02-22 → 2026-03-22 · 3 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
● 2026-03-22 23:52:36

○MXp.webcom.ctmail.com2018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:16:38
○ 2026-02-22 19:04:54
○ 2026-03-22 23:52:36

●MXroadrunnerboston-com.mail.protection.outlook.com2026-02-22 → 2026-03-22 · 3 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
● 2026-03-22 23:52:36

○A104.199.119.732026-02-22 → 2026-02-22 · 4 obs

○ 2018-05-15 16:16:38
● 2026-02-22 19:04:54
○ 2026-03-22 23:52:34
○ 2026-03-22 23:52:36

○A208.91.197.272018-05-15 → 2018-05-15 · 3 obs

● 2018-05-15 16:16:38
○ 2026-02-22 19:04:54
○ 2026-03-22 23:52:36

●A35.222.180.502026-03-22 → 2026-03-22 · 3 obs

○ 2026-02-22 19:04:54
● 2026-03-22 23:52:34
● 2026-03-22 23:52:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
roadrunnerboston.com	pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz	2 records

✅ Authoritative Response

Server:156.154.66.73

NS records: pdns73.ultradns.net, pdns73.ultradns.com, pdns73.ultradns.org, pdns73.ultradns.biz

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for roadrunnerboston.com (unsigned zone)

⏱️ Timing

Total: 513ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.222.180.50`
NS	4	`pdns73.ultradns.biz, pdns73.ultradns.com...`
MX	1	`roadrunnerboston-com.mail.protection.out`
TXT	4	`apple-domain-verification=cpsn7lipseGZfW, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`pdns73.ultradns.com domainadmin.aegworld`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns73.ultradns.com, pdns73.ultradns.com)

Analysis

IP Addresses

roadrunnerboston.com points to a single IP: 35.222.180.50.

Other host names, for instance 50.180.222.35.bc.googleusercontent.com, share IP numbers with roadrunnerboston.com.

Name Servers

roadrunnerboston.com is delegated to four name servers: pdns73.ultradns.biz, pdns73.ultradns.com, pdns73.ultradns.net and pdns73.ultradns.org.

roadrunnerboston.com at least partially shares its name servers with other domains, for instance remorseful-variety.com, intent-meet.pro, dark-inside.pro, ultimate-half.pro and knobby-internal.com.

these name servers are commonly used together with pdns73.ultradns.info, pdns73.ultradns.co.uk, ns59.ultradns2.com and ns59.ultradns2.org.

Host names with two IPs: pdns73.ultradns.biz points to 2610:a1:1015::6d and 156.154.66.73; pdns73.ultradns.com points to 2001:502:f3ff::6d and 156.154.64.73; pdns73.ultradns.net points to 2610:a1:1014::6d and 156.154.65.73; pdns73.ultradns.org points to 2001:502:4612::6d and 156.154.67.73.

Mail Servers

roadrunnerboston.com is served by a single mail server, roadrunnerboston-com.mail.protection.outlook.com.

The host name roadrunnerboston-com.mail.protection.outlook.com resolves to eight IP numbers: 2a01:111:f403:c927::1, 2a01:111:f403:c946::, 2a01:111:f403:f802::, 2a01:111:f403:f90f::1, 52.101.11.2, 52.101.41.22, 52.101.41.24 and 52.101.194.3.

roadrunnerboston.com - robtex.com