`smtp.groknull.com`

CNAME	`pris.groknull.com`
DNSSEC	⚠️ Not signed
A	2602:f4dc:0:2:130:12:69:55^{AS4017072602:f4dc::/48 655 North Franklin Street Tampa, FL 33602 United States}
		PTR	`pris.assertnull.com`
A	130.12.69.55^{AS46172130.12.68.0/22 X-ID Superblock}

`groknull.com`

	DNSSEC	⚠️ Not signed
	A	2602:f4dc:0:2:130:12:69:55^{AS4017072602:f4dc::/48 655 North Franklin Street Tampa, FL 33602 United States}
	A	130.12.69.55^{AS46172130.12.68.0/22 X-ID Superblock}
	NS	`ashton.ns.cloudflare.com` ⭐
	NS	`marlowe.ns.cloudflare.com`
	MX	`mx01.mail.icloud.com` ⭐
	MX	`mx02.mail.icloud.com` ⭐
	TXT	`apple-domain=wxmDZOtuoNrtSdox`
	TXT	`v=spf1 mx a ip4:130.12.69.55/32 ip4:96.31.83.186/32 ip6:2602:f4dc:0:2:130:12:...`
	SOA	`ashton.ns.cloudflare.com`dns@cloudflare.com serial=2407806411

Previously MX for

groknull.com

Same first word

smtp.ox.rs

smtp.co

smtp.su

smtp.radio.fm

smtp.net

smtp.dk

smtp.guru

smtp.io

smtp.cz

smtp.dedibox.fr

smtp.net.in

smtp.network

smtp.co.il

smtp.si

smtp.software

smtp.com.es

smtp.nhs.uk

smtp.ch

smtp.zone

smtp.pub

smtp.hosting

smtp.nu

smtp.tj

smtp.tools

smtp.com

smtp.com.mx

smtp.sk

smtp.co.hu

smtp.ws

smtp.uni5.net

smtp.jc.neen.it

smtp.vn

smtp.to

smtp.mircloud.host

smtp.demo.jelastic.com

smtp.gouv.km

smtp.hotmail

smtp.com.ph

smtp.be

smtp.nz

smtp.moe

smtp.re

smtp.ms

smtp.ca

smtp.paas.datacenter.fi

smtp.fm

smtp.co.ke

smtp.lt

smtp.fi.cloudplatform.fi

smtp.de

smtp.services

smtp.live

smtp.fi

smtp.uk

smtp.or.tz

smtp.cloudaccess.net

smtp.cat

smtp.az

smtp.dev

smtp.unicloud.pl

smtp.paas.massivegrid.com

smtp.mil.tw

smtp.it

smtp.solutions

smtp.pythonanywhere.com

smtp.ru

smtp.se

smtp.co.za

smtp.mydns.jp

smtp.gov.mn

smtp.gc.ca

smtp.me

smtp.fi.it

smtp.rs.gov.br

smtp.pb.gov.br

smtp.gov.ru

smtp.business

smtp.ooo

smtp.jelastic.saveincloud.net

smtp.in

smtp.net.au

smtp.to.gov.br

smtp.com.br

smtp.fun

smtp.agency

smtp.pt

smtp.myshopify.com

smtp.ee

smtp.im

smtp.jelastic.dogado.eu

smtp.cl

smtp.lu

smtp.id

smtp.eu

smtp.fail

smtp.bz

smtp.ro

smtp.pl

smtp.goog

smtp.news

smtp.j.scaleforce.net

smtp.lv

smtp.fr

smtp.store

smtp.gratis

smtp.co.at

smtp.bot

smtp.gouv.sn

smtp.gov.rs

smtp.eu.org

smtp.sc.gov.br

smtp.in-berlin.de

smtp.appengine.flow.ch

smtp.kinghost.net

smtp.org

smtp.co.kr

smtp.(0x787878)

smtp.co.nz

smtp.kz

smtp.com.tr

smtp.jcloud.kz

smtp.sp.gov.br

smtp.net.ru

smtp.edu.ee

smtp.j.layershift.co.uk

smtp.net.ua

smtp.hu

smtp.mail.pl

smtp.iki.fi

smtp.org.uk

smtp.at

smtp.com.au

smtp.pi.gov.br

smtp.tv

smtp.vg

Similar names

ptms.eu

pmst.cn

tmsp.ru

mpts.com.qa

mstp.net

mtsp.de

ptms.org

pmts.dk

mspt.com

mpst.at

pmts.ca

tmps.net

stmp.se

mspt.xyz

sptm.dk

spmt.ru

pstm.com

stmp.in

mtps.me

mspt.ru

stpm.co.uk

pmst.com

tpms.by

ptsm.co.kr

spmt.eu

ptms.org.pl

tspm.de

smpt.nl

ptsm.pl

mtps.nl

tmps.com

sptm.co.uk

tpms.org

tsmp.us

tpms.kasserver.com

tpms.edu.hk

sptm.cn

pmst.net

stmp.si

sptm.info

mpts.ca

tpms.in

tsmp.org

stmp.fr

sptm.nl

smpt.gov.ly

mpst.org

mpst.com

mspt.cn

tsmp.cz

tpms.com.au

mstp.co

smpt.info

mtps.ac.th

sptm.de

stpm.nl

tpms.org.tw

mstp.com

spmt.be

pstm.de

pmts.ru

stmp.ca

tspm.co.uk

psmt.vn

pmts.dyndns.info

DNS History

7 records (1 active, 6 former)

○NSns35.domaincontrol.com2015-11-08 → 2016-04-24 · 3 obs

● 2015-11-08 23:07:18
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

○NSns36.domaincontrol.com2015-11-08 → 2016-04-24 · 3 obs

● 2015-11-08 23:07:18
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

○MXsmtp.groknull.com2015-11-08 → 2016-04-24 · 3 obs

● 2015-11-08 23:07:18
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

○A2604:4500:0:b:406a:ebff:fe0f:64d72015-06-25 → 2016-04-24 · 3 obs

● 2015-06-25 11:37:06
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

○A96.31.83.1862015-06-25 → 2016-04-24 · 3 obs

● 2015-06-25 11:37:06
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

○CNAMEgroknull.com2015-06-25 → 2016-04-24 · 3 obs

● 2015-06-25 11:37:06
● 2016-04-24 15:44:18
○ 2026-07-18 07:38:48

●CNAMEpris.groknull.com2026-07-18 → 2026-07-18 · 2 obs

○ 2016-04-24 15:44:18
● 2026-07-18 07:38:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
groknull.com	marlowe.ns.cloudflare.com, ashton.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.212

NS records: marlowe.ns.cloudflare.com, ashton.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for groknull.com (unsigned zone)

⏱️ Timing

Total: 86ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`pris.groknull.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (marlowe.ns.cloudflare.com, marlowe.ns.cloudflare.com, marlowe.ns.cloudflare.com...)

Analysis

IP Addresses

smtp.groknull.com directs to two IP numbers, 130.12.69.55 and 2602:f4dc:0:2:130:12:69:55

Additional host names — mail.strangesquare.com, groknull.com, pris.assertnull.com and two others — share IP numbers with smtp.groknull.com.

smtp.groknull.com - robtex.com