`rtkl-callison.org`

DNSSEC	⚠️ Not signed
NS	`ns1.markmonitor.com` ⭐
		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`
		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`
		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`
		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`
TXT	`v=spf1 -all`
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2025-02-18 #1

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1774833847

Same first word

rtkl-callison.net

rtkl-callison.org

rtkl-callison.com

Similar names

callison-rtkl.com

callison-rtkl.org

callison-rtkl.net

callison-rtkl.info

DNS History

8 records (4 active, 4 former)

●NSns1.markmonitor.com2026-03-27 → 2026-03-30 · 3 obs

○ 2018-12-06 17:57:00
● 2026-03-27 04:22:50
● 2026-03-30 01:42:34

●NSns2.markmonitor.com2026-03-27 → 2026-03-30 · 3 obs

○ 2018-12-06 17:57:00
● 2026-03-27 04:22:50
● 2026-03-30 01:42:34

●NSns3.markmonitor.com2026-03-27 → 2026-03-30 · 3 obs

○ 2018-12-06 17:57:00
● 2026-03-27 04:22:50
● 2026-03-30 01:42:34

●NSns4.markmonitor.com2026-03-27 → 2026-03-30 · 3 obs

○ 2018-12-06 17:57:00
● 2026-03-27 04:22:50
● 2026-03-30 01:42:34

○NSns47.worldnic.com2018-12-06 → 2018-12-06 · 3 obs

● 2018-12-06 17:57:00
○ 2026-03-27 04:22:50
○ 2026-03-30 01:42:34

○NSns48.worldnic.com2018-12-06 → 2018-12-06 · 3 obs

● 2018-12-06 17:57:00
○ 2026-03-27 04:22:50
○ 2026-03-30 01:42:34

○MXp.webcom.ctmail.com2018-12-06 → 2018-12-06 · 3 obs

● 2018-12-06 17:57:00
○ 2026-03-27 04:22:50
○ 2026-03-30 01:42:34

○A208.91.197.272018-12-06 → 2018-12-06 · 3 obs

● 2018-12-06 17:57:00
○ 2026-03-27 04:22:50
○ 2026-03-30 01:42:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
rtkl-callison.org	ns4.markmonitor.com, ns2.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com	-

✅ Authoritative Response

Server:149.112.160.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rtkl-callison.org (unsigned zone)

⏱️ Timing

Total: 744ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns1.markmonitor.com, ns2.markmonitor.com...`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

Analysis

Name Servers

rtkl-callison.org is delegated to four name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com and ns4.markmonitor.com.

rtkl-callison.org at least partially shares name servers with other domains, for example cvs.health, metlifedentalclaims.com, rentalcas.hk, inboundcompany.com and usaa.info.

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

Host names with two IP numbers:

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

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

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

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

rtkl-callison.org - robtex.com