github.lu - dns.ninja

`github.lu`

DNSSEC	⚠️ Not signed
A	3.33.139.32^{🇺🇸 Amazon3.33.128.0/20}
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	`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}
NS	`ns5.markmonitor.com`
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
NS	`ns6.markmonitor.com`
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
SOA	`ns1.markmonitor.com`hostmaster@markmonitor.com 2014-08-01 #2

`lu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`1.ns.lu` ⭐
	NS	`g.dns.lu`
	NS	`i.dns.lu`
	NS	`j.dns.lu`
	NS	`k.dns.lu`
	NS	`p.dns.lu`
	NS	`r.ns.lu`
	TXT	`Exported: 2026-07-23 11:01:01`
	SOA	`1.ns.lu`noc@restena.lu serial=1784797273

Same first word

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DNS History

7 records (6 active, 1 former)

●NSns1.markmonitor.com2015-07-20 → 2026-07-23 · 2 obs

● 2015-07-20 14:56:32
● 2026-07-23 10:28:00

●NSns3.markmonitor.com2015-07-20 → 2026-07-23 · 2 obs

● 2015-07-20 14:56:32
● 2026-07-23 10:28:00

●NSns4.markmonitor.com2015-07-20 → 2026-07-23 · 2 obs

● 2015-07-20 14:56:32
● 2026-07-23 10:28:00

●NSns5.markmonitor.com2015-07-20 → 2026-07-23 · 2 obs

● 2015-07-20 14:56:32
● 2026-07-23 10:28:00

●NSns6.markmonitor.com2015-07-20 → 2026-07-23 · 2 obs

● 2015-07-20 14:56:32
● 2026-07-23 10:28:00

●A3.33.139.322026-04-04 → 2026-07-23 · 3 obs

○ 2017-08-28 09:38:02
● 2026-04-04 15:20:02
● 2026-07-23 10:28:00

○A72.52.10.142015-07-20 → 2017-08-28 · 4 obs

● 2015-07-20 14:56:32
● 2017-08-28 09:38:02
○ 2026-04-04 15:20:02
○ 2026-07-23 10:28:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
lu	j.dns.lu, k.dns.lu, p.dns.lu, r.ns.lu...	14 records
github.lu	ns1.markmonitor.com, ns5.markmonitor.com, ns4.markmonitor.com, ns3.markmonitor.com...	-

✅ Authoritative Response

Server:149.112.160.1

NS records: ns1.markmonitor.com, ns5.markmonitor.com, ns4.markmonitor.com, ns3.markmonitor.com, ns6.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for github.lu (unsigned zone)

⏱️ Timing

Total: 1479ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.33.139.32`
NS	5	`ns1.markmonitor.com, ns3.markmonitor.com...`
SOA	1	`ns1.markmonitor.com hostmaster.markmonit`

📌 Glue Records Collected

Total: 14

In-bailiwick: 14 (1.ns.lu, g.dns.lu, i.dns.lu...)

Analysis

IP Addresses

github.lu has exactly one IP address — 3.33.139.32.

trollsmusical.com, fhspro.com, freeaol.com plus two other host names have IP numbers in common with github.lu.

Name Servers

Five name servers handle delegation for github.lu: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com and two others.

There is at least partial name server overlap between github.lu and other domains — monclerspacciopiumini1941.com, zykimbri.com.mx, warnacogroupinc.uk.com and two more among them.

These name servers tend to appear in combination with the name servers ns2.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

Host names pointing to two IP addresses:

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

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

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

ns5.markmonitor.com resolves to 149.112.160.2 and 2620:10a:80a8::2.

ns6.markmonitor.com resolves to 176.97.158.3 and 2001:67c:10b8::3.