`sentrytn.com`

DNSSEC	⚠️ Not signed
A	72.32.255.65^{🇺🇸 RACKSPACE-DFW72.32.0.0/16 Rackspace, 5000 Walzem Road, San Antonio, TX 78218}
NS	`ns1.medhostdirect.com` ⭐
		A	198.105.48.21^{🇺🇸 AS54711198.105.48.0/23 VW-CUST-MEDHO001}
NS	`bnawadns702.corp.local` ⚠️ Not in parent delegation
NS	`ns2.medhostdirect.com`
		A	198.105.48.22^{🇺🇸 AS54711198.105.48.0/23 VW-CUST-MEDHO001}
NS	`ns3.medhostdirect.com`
		A	198.105.48.23^{🇺🇸 AS54711198.105.48.0/23 VW-CUST-MEDHO001}
MX	`sentrytn-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:c801::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sn1pr0501cu00101.inbound.protection.outlook.com`
		A	2a01:111:f403:c902::5^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-sj2pr05cu00505.inbound.protection.outlook.com`
		A	2a01:111:f403:c936::^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-cy1pr05cu00400.inbound.protection.outlook.com`
		A	2a01:111:f403:f907::1^{🇺🇸 Microsoft2a01:111:f000::/36}
			PTR	`mail-dm1pr04cu00201.inbound.protection.outlook.com`
		A	52.101.9.11^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl2pr04cu00103.inbound.protection.outlook.com`
		A	52.101.9.12^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-bl0pr05cu00504.inbound.protection.outlook.com`
		A	52.101.194.17^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00401.inbound.protection.outlook.com`
		A	52.101.194.19^{🇺🇸 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ch5pr02cu00303.inbound.protection.outlook.com`
TXT	`v=spf1 mx ip4:198.105.48.75 ip4:198.105.48.74 ip4:68.232.130.71 ip4:68.232.14...`
TXT	`MS=ms97594205`
SOA	`ns1.medhostdirect.com`hostmaster@medhostdirect.com 2013-08-15 #39

`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=1777080886

Same first word

sentrytn.com

DNS History

9 records (6 active, 3 former)

●NSbnawadns702.corp.local2026-02-28 → 2026-04-25 · 3 obs

○ 2020-01-15 23:32:08
● 2026-02-28 19:16:52
● 2026-04-25 01:56:16

●NSns1.medhostdirect.com2020-01-15 → 2026-04-25 · 3 obs

○ 2017-03-23 07:20:30
● 2020-01-15 23:32:08
● 2026-04-25 01:56:16

○NSns1.yourhealthtech.com2015-08-14 → 2020-01-15 · 4 obs

● 2015-08-14 12:03:42
● 2020-01-15 23:32:08
○ 2026-02-28 19:16:52
○ 2026-04-25 01:56:16

●NSns2.medhostdirect.com2020-01-15 → 2026-04-25 · 3 obs

○ 2017-03-23 07:20:30
● 2020-01-15 23:32:08
● 2026-04-25 01:56:16

○NSns2.yourhealthtech.com2015-08-14 → 2017-03-23 · 4 obs

● 2015-08-14 12:03:42
● 2017-03-23 07:20:30
○ 2020-01-15 23:32:08
○ 2026-04-25 01:56:16

●NSns3.medhostdirect.com2020-01-15 → 2026-04-25 · 3 obs

○ 2017-03-23 07:20:30
● 2020-01-15 23:32:08
● 2026-04-25 01:56:16

○NSns3.yourhealthtech.com2015-08-14 → 2017-03-23 · 4 obs

● 2015-08-14 12:03:42
● 2017-03-23 07:20:30
○ 2020-01-15 23:32:08
○ 2026-04-25 01:56:16

●MXsentrytn-com.mail.protection.outlook.com2015-08-14 → 2026-04-25 · 2 obs

● 2015-08-14 12:03:42
● 2026-04-25 01:56:16

●A72.32.255.652015-08-14 → 2026-04-25 · 2 obs

● 2015-08-14 12:03:42
● 2026-04-25 01:56:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
sentrytn.com	ns2.medhostdirect.com, ns1.medhostdirect.com, ns3.medhostdirect.com	3 records

✅ Authoritative Response

Server:198.105.48.21

NS records: ns2.medhostdirect.com, ns1.medhostdirect.com, ns3.medhostdirect.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sentrytn.com (unsigned zone)

⏱️ Timing

Total: 210ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`72.32.255.65`
NS	4	`ns3.medhostdirect.com, bnawadns702.corp.local...`
MX	1	`sentrytn-com.mail.protection.outlook.com`
TXT	2	`MS=ms97594205, v=spf1 mx ip4:198.105.48.75 ip4:198.105.`
SOA	1	`ns1.medhostdirect.com hostmaster.medhost`