`oldcastleinfrastructure.com`

DNSSEC	⚠️ Not signed
A	34.193.107.114^{🇺🇸 Amazon34.192.0.0/12 EC2 IAD prefix}
		PTR	`ec2-34-193-107-114.compute-1.amazonaws.com`
NS	`ha1.markmonitor.zone` ⭐ ⚠️ Not in parent delegation
		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}
NS	`ha2.markmonitor.zone` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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`
NS	`ns1.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns2.markmonitor.com` ⚠️ Not in zone NS records
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns4.markmonitor.com` ⚠️ Not in zone NS records
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
MX	`mxa-00344903.gslb.pphosted.com` ⭐
		A	185.183.30.218^{🇺🇸 PROOFPOINT-ASN-EU185.183.30.0/24}
			PTR	`mx08-00344903.pphosted.com`
MX	`mxb-00344903.gslb.pphosted.com` ⭐
		A	185.183.30.218^{🇺🇸 PROOFPOINT-ASN-EU185.183.30.0/24}
			PTR	`mx08-00344903.pphosted.com`
TXT	`MS=ms13285954`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com ip4:185...`
TXT	`google-site-verification=qn937_LBQh6zfVrunczpO1asJJa6aEtOotH93MfHiHU`
TXT	`sending_domain1038153=bc3c3841b497eefeb87ef9332673b4933d3a8364470c599139a9b45...`
TXT	`oq8ebaiqmfridlmb1t5fhd76ih`
TXT	`MS=ms26494198`
TXT	`NETORGFT6303299.onmicrosoft.com`
TXT	`pardot1038153=683a2db8d5cbeba9eb28a9ee9e1b1236d8971fb82841f4a024b5dc6bef89dd5b`
SOA	`ha1.markmonitor.zone`hostmaster@markmonitor.com 2026-01-28 #1

`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=1774989697

rank #463362 globally
rank #207617 in the tld
📈 Tranco rank: #512,849

Subdomains

orders.oldcastleinfrastructure.com

Same first word

oldcastleinfrastructure.com

DNS History

16 records (11 active, 5 former)

●NSha1.markmonitor.zone2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●NSha2.markmonitor.zone2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●NSha3.markmonitor.zone2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●NSha4.markmonitor.zone2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●NSns1.markmonitor.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

○NSns19.domaincontrol.com2016-12-15 → 2017-12-15 · 4 obs

● 2016-12-15 13:51:26
● 2017-12-15 00:09:32
○ 2026-02-21 12:32:58
○ 2026-03-31 20:44:32

●NSns2.markmonitor.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

○NSns20.domaincontrol.com2016-12-15 → 2017-12-15 · 4 obs

● 2016-12-15 13:51:26
● 2017-12-15 00:09:32
○ 2026-02-21 12:32:58
○ 2026-03-31 20:44:32

●NSns3.markmonitor.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●NSns4.markmonitor.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

○MXmailstore1.secureserver.net2016-12-15 → 2017-12-15 · 4 obs

● 2016-12-15 13:51:26
● 2017-12-15 00:09:32
○ 2026-02-21 12:32:58
○ 2026-03-31 20:44:32

●MXmxa-00344903.gslb.pphosted.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

●MXmxb-00344903.gslb.pphosted.com2026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

○MXsmtp.secureserver.net2016-12-15 → 2017-12-15 · 4 obs

● 2016-12-15 13:51:26
● 2017-12-15 00:09:32
○ 2026-02-21 12:32:58
○ 2026-03-31 20:44:32

●A34.193.107.1142026-02-21 → 2026-03-31 · 3 obs

○ 2017-12-15 00:09:32
● 2026-02-21 12:32:58
● 2026-03-31 20:44:32

○A50.63.202.522016-12-15 → 2017-12-15 · 4 obs

● 2016-12-15 13:51:26
● 2017-12-15 00:09:32
○ 2026-02-21 12:32:58
○ 2026-03-31 20:44:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, j.gtld-servers.net...	-
oldcastleinfrastructure.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com	8 records

✅ Authoritative Response

Server:176.97.158.1

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for oldcastleinfrastructure.com (unsigned zone)

⏱️ Timing

Total: 1666ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`34.193.107.114`
NS	4	`ha4.markmonitor.zone, ha3.markmonitor.zone...`
MX	2	`mxa-00344903.gslb.pphosted.com (pri: 5), mxb-00344903.gslb.pphosted.com (pri: 5)`
TXT	8	`pardot1038153=683a2db8d5cbeba9eb28a9ee9e, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ha1.markmonitor.zone hostmaster.markmoni`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

Hierarchy

oldcastleinfrastructure.com is parent of orders.oldcastleinfrastructure.com.

IP Addresses

oldcastleinfrastructure.com points to a single IP: 34.193.107.114.

Other host names, for instance ec2-34-193-107-114.compute-1.amazonaws.com, share IP numbers with oldcastleinfrastructure.com.

Name Servers

oldcastleinfrastructure.com is delegated to eight name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ha1.markmonitor.zone, ha2.markmonitor.zone, ha3.markmonitor.zone and ha4.markmonitor.zone.

oldcastleinfrastructure.com at least partially shares its name servers with other domains, for instance thomsonreuters.ie, kelkoo.jp, hamptonirapuato.com, garantie.de and siliqus.com.

These name servers are commonly used with ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names with two IP numbers

Host ns1.markmonitor.com points to 2620:10a:80a8::1 and 149.112.160.1

Host ns2.markmonitor.com points to 2001:67c:10b8::1 and 176.97.158.1

Host ns3.markmonitor.com points to 2620:10a:80a9::1 and 149.112.161.1

Host ns4.markmonitor.com points to 2001:67c:1bc::1 and 192.174.68.1

Host ha1.markmonitor.zone points to 2001:67c:1bc::5 and 192.174.68.5

Host ha2.markmonitor.zone points to 2620:10a:80eb::6b and 162.219.54.170

Host ha3.markmonitor.zone points to 2001:67c:10b8::5 and 176.97.158.5

Host ha4.markmonitor.zone points to 2620:10a:80ec::6b and 162.219.55.170

Mail Servers

Two mail servers mxa-00344903.gslb.pphosted.com and mxb-00344903.gslb.pphosted.com handle oldcastleinfrastructure.com.

oldcastleinfrastructure.com uses the same mail server setup as other domains such as filoform.com, deha.no, polibeton.com, rdirail.com and halfen.dk.

oldcastleinfrastructure.com shares some mail servers with other domains at least partially, for example polbruk.pl.

Host names with one IP number: mxa-00344903.gslb.pphosted.com and mxb-00344903.gslb.pphosted.com point to 185.183.30.218.

oldcastleinfrastructure.com - robtex.com