`nullmx.georgetownuniversity.com`

DNSSEC	⚠️ Not signed
A	172.233.212.90^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
		PTR	`k8s-svc-lander-standby-us-ord-02.parklogic.net`
A	172.233.212.129^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
A	172.233.212.151^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
A	172.233.212.224^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
A	172.234.31.13^{🇺🇸 AKAMAI-LINODE-AP172.234.16.0/20 Akamai Technologies}
A	172.237.146.49^{🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies}
NS	`ns1.parklogic.com` ⭐ ⚠️ Not in parent delegation
		A	2001:19f0:6000:39be:5400:6ff:fe0b:e907^{🇺🇸 AS-VULTR2001:19f0:6000::/38 Vultr Assigned Prefix}
		A	50.28.104.44^{🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West}
			PTR	`pistachio.parklogic.com`
		A	50.116.34.34^{🇺🇸 AKAMAI-LINODE-AP50.116.32.0/20 Akamai Technologies}
			PTR	`lemonade.parklogic.com`
		A	69.39.238.36^{🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route}
			PTR	`sandstone1.parklogic.com`
		A	69.39.238.37^{🇺🇸 ASN-CQ-GIGENET69.39.224.0/20 GigENET Route}
			PTR	`sandstone2.parklogic.com`
		A	149.28.95.10^{🇺🇸 AS-VULTR149.28.64.0/19 Vultr Assigned Prefix}
			PTR	`149.28.95.10.vultrusercontent.com`
NS	`ns2.parklogic.com` ⚠️ Not in parent delegation
		A	2001:19f0:5c00:481f:5400:6ff:fe0b:e87c^{🇺🇸 AS-VULTR2001:19f0:5c00::/38 Vultr Assigned Prefix}
		A	45.79.197.241^{🇺🇸 AKAMAI-LINODE-AP45.79.192.0/19 Akamai Technologies}
			PTR	`bubblegum.parklogic.com`
		A	50.28.102.86^{🇺🇸 LiquidWeb-AZ50.28.96.0/19 LiquidWeb Inc West}
			PTR	`biscotti.parklogic.com`
		A	66.42.120.24^{🇺🇸 AS-VULTR66.42.112.0/20 Vultr Assigned Prefix}
			PTR	`66-42-120-24.choopa.net`
		A	216.38.8.120^{🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route}
			PTR	`shamrock1.parklogic.com`
		A	216.38.8.121^{🇺🇸 ASN-CQ-GIGENET216.38.0.0/19 GigENET Route}
			PTR	`shamrock2.parklogic.com`
MX	`mx156.hostedmxserver.com` ⭐
		A	147.182.130.78^{🇺🇸 DIGITALOCEAN147.182.128.0/20 DigitalOcean}
		A	147.182.160.18^{🇺🇸 DIGITALOCEAN147.182.160.0/20 DigitalOcean}
		A	147.182.180.139^{🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean}
		A	147.182.189.184^{🇺🇸 DIGITALOCEAN147.182.176.0/20 DigitalOcean}
		A	164.90.197.79^{🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean}
		A	164.90.197.105^{🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean}
		A	164.90.197.143^{🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean}
		A	164.90.197.162^{🇳🇱 DIGITALOCEAN164.90.192.0/20 DigitalOcean}
TXT	`v=spf1 -all`
SOA	`ns1.parklogic.com`hostmaster@georgetownuniversity.com 2019-10-23 #1

`georgetownuniversity.com`

	DNSSEC	⚠️ Not signed
	A	172.233.212.90^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
	A	172.233.212.129^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
	A	172.233.212.151^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
	A	172.233.212.224^{🇺🇸 AKAMAI-LINODE-AP172.233.208.0/20 Akamai Technologies}
	A	172.234.31.13^{🇺🇸 AKAMAI-LINODE-AP172.234.16.0/20 Akamai Technologies}
	A	172.237.146.49^{🇺🇸 AKAMAI-LINODE-AP172.237.128.0/19 Akamai Technologies}
	NS	`ns1.parklogic.com` ⭐
	NS	`ns2.parklogic.com`
	MX	`mx156.hostedmxserver.com` ⭐
	TXT	`v=spf1 -all`
	SOA	`ns1.parklogic.com`hostmaster@georgetownuniversity.com 2019-10-23 #1

Previously MX for

georgetownuniversity.com

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

22 records (9 active, 13 former)

○NSbuy.internettraffic.com2015-08-19 → 2016-07-21 · 5 obs

○ 2008-03-20 07:17:22
● 2015-08-19 00:41:32
● 2016-07-21 17:07:08
○ 2016-11-30 14:08:52
○ 2026-05-14 15:26:10

●NSns1.parklogic.com2026-05-12 → 2026-05-14 · 3 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
● 2026-05-14 15:26:10

○NSns1.uniregistrymarket.link2016-11-30 → 2016-12-05 · 5 obs

○ 2016-07-21 17:07:08
● 2016-11-30 14:08:52
● 2016-12-05 10:56:34
○ 2026-05-12 07:57:26
○ 2026-05-14 15:26:10

●NSns2.parklogic.com2026-05-12 → 2026-05-14 · 3 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
● 2026-05-14 15:26:10

○NSns2.uniregistrymarket.link2016-11-30 → 2016-12-05 · 5 obs

○ 2016-07-21 17:07:08
● 2016-11-30 14:08:52
● 2016-12-05 10:56:34
○ 2026-05-12 07:57:26
○ 2026-05-14 15:26:10

○NSsell.internettraffic.com2015-08-19 → 2016-07-21 · 5 obs

○ 2008-03-20 07:17:22
● 2015-08-19 00:41:32
● 2016-07-21 17:07:08
○ 2016-11-30 14:08:52
○ 2026-05-14 15:26:10

●MXmx156.hostedmxserver.com2026-05-12 → 2026-05-14 · 2 obs

● 2026-05-12 07:57:26
● 2026-05-14 15:26:10

●A172.233.212.1292026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

●A172.233.212.1512026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

●A172.233.212.2242026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

●A172.233.212.902026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

○A172.233.219.1232026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

○A172.233.219.492026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

○A172.233.219.782026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

●A172.234.31.132026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

○A172.237.146.252026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

○A172.237.146.382026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

●A172.237.146.492026-05-14 → 2026-05-14 · 3 obs

○ 2026-05-12 07:57:26
● 2026-05-14 15:26:08
● 2026-05-14 15:26:10

○A172.237.146.82026-05-12 → 2026-05-12 · 4 obs

○ 2016-12-05 10:56:34
● 2026-05-12 07:57:26
○ 2026-05-14 15:26:08
○ 2026-05-14 15:26:10

○A209.181.247.1052008-03-20 → 2008-03-20 · 3 obs

● 2008-03-20 07:17:22
○ 2015-08-19 00:41:32
○ 2026-05-14 15:26:10

○A69.172.201.1532016-04-27 → 2016-12-05 · 5 obs

○ 2016-01-16 00:23:02
● 2016-04-27 23:38:52
● 2016-12-05 10:56:34
○ 2026-05-12 07:57:26
○ 2026-05-14 15:26:10

○A69.172.201.2082015-08-19 → 2016-01-16 · 5 obs

○ 2008-03-20 07:17:22
● 2015-08-19 00:41:32
● 2016-01-16 00:23:02
○ 2016-04-27 23:38:52
○ 2026-05-14 15:26:10

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	f.gtld-servers.net, l.gtld-servers.net, k.gtld-servers.net, a.gtld-servers.net...	-
georgetownuniversity.com	ns1.parklogic.com, ns2.parklogic.com	14 records

✅ Authoritative Response

Server:50.116.34.34

NS records: ns1.parklogic.com, ns2.parklogic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for georgetownuniversity.com (unsigned zone)

⏱️ Timing

Total: 375ms | Queries: -

📄 Records

Type	Count	Sample Data
A	6	`172.233.212.90, 172.233.212.129...`
NS	2	`ns2.parklogic.com, ns1.parklogic.com`
MX	1	`mx156.hostedmxserver.com (pri: 10)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.parklogic.com hostmaster.georgetownu`

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.parklogic.com, ns1.parklogic.com, ns1.parklogic.com...)

Analysis

IP Addresses

nullmx.georgetownuniversity.com points to six IPs: 172.233.212.90, 172.233.212.129, 172.233.212.151, 172.233.212.224, 172.234.31.13 and 172.237.146.49.

Other host names including mail.yell-line-express.com, xxnc.com, aus-dem-haeuschen.de, www-ivory.info and ibigmall.com share IP numbers with nullmx.georgetownuniversity.com.

Name Servers

nullmx.georgetownuniversity.com's delegation uses two name servers, ns1.parklogic.com and ns2.parklogic.com.

nullmx.georgetownuniversity.com shares the same name server setup as other domains, for example svanweb.svan.it, www.ladys-world.net, cyclotherm25.de, img174.spybubbleturkey.com and support.lighthouseangels.net.

nullmx.georgetownuniversity.com at least partially shares name servers with other domains, including projectpartners.ph, bildsaarland.de, novelasonline.net, truesuccess.ws and pennei.com.

These name servers are typically used together with the name servers ns3.parklogic.com, ns1.rr585.parklogic.com, ns2.rr585.parklogic.com, ns1.ns306.parklogic.com, ns2.ns306.parklogic.com, ns1.gd23.parklogic.com, ns2.gd23.parklogic.com, ns1.gm111.parklogic.com, ns2.gm111.parklogic.com and ns1.fp261.parklogic.com.

Host names with six IP numbers:

ns1.parklogic.com points to: 2001:19f0:6000:39be:5400:6ff:fe0b:e907, 50.28.104.44, 50.116.34.34, 69.39.238.36, 69.39.238.37 and 149.28.95.10.

ns2.parklogic.com points to: 2001:19f0:5c00:481f:5400:6ff:fe0b:e87c, 45.79.197.241, 50.28.102.86, 66.42.120.24, 216.38.8.120 and 216.38.8.121.

Mail Servers

nullmx.georgetownuniversity.com is handled by a single mail server, mx156.hostedmxserver.com.

nullmx.georgetownuniversity.com shares its mail server setup with other domains, including mail.ideeverwirklichung.de, pkgforge.com, ix35-tucson-santafe.com, diamond-ca.sbs and newlookbarbershop.com.

Hostname mx156.hostedmxserver.com points to eight IP numbers: 147.182.130.78, 147.182.160.18, 147.182.180.139, 147.182.189.184, 164.90.197.79, 164.90.197.105, 164.90.197.143 and 164.90.197.162.

nullmx.georgetownuniversity.com - robtex.com