`valid-a-mfc.firebaseapp.com`

	DNSSEC	⚠️ Not signed
	A	2620:0:890::100^{🇺🇸 Fastly2620:0:890::/48 Google}
	A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
	TXT	`v=spf1 redirect=_spf.google.com`
	TXT	`v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5Fz...`

`firebaseapp.com`

	DNSSEC	⚠️ Not signed
	A	2620:0:890::100^{🇺🇸 Fastly2620:0:890::/48 Google}
	A	199.36.158.100^{🇺🇸 Fastly199.36.158.0/24 Google}
	NS	`ns-cloud-c1.googledomains.com` ⭐
	NS	`ns-cloud-c2.googledomains.com`
	NS	`ns-cloud-c3.googledomains.com`
	NS	`ns-cloud-c4.googledomains.com`
	SOA	`ns-cloud-c1.googledomains.com`dns-admin@google.com serial=18

rank #6702 globally
rank #3318 in the tld
📈 Tranco rank: #3,457

Same first word

valid-a-mfc.firebaseapp.com

valid-a-mfc.web.app

DNS History

2 records (2 active, 0 former)

●A199.36.158.1002026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 05:15:46
● 2026-03-26 03:58:34

●A2620:0:890::1002026-03-01 → 2026-03-26 · 2 obs

● 2026-03-01 05:15:46
● 2026-03-26 03:58:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	g.gtld-servers.net, a.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net...	-
firebaseapp.com	ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.32.108

NS records: ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com, ns-cloud-c3.googledomains.com, ns-cloud-c4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firebaseapp.com (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`199.36.158.100`
AAAA	1	`2620:0:890::100`
TXT	2	`v=spf1 redirect=_spf.google.com, v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3D`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-c1.googledomains.com, ns-cloud-c1.googledomains.com, ns-cloud-c2.googledomains.com...)

Analysis

IP Addresses

valid-a-mfc.firebaseapp.com points to two IPs: 2620:0:890::100 and 199.36.158.100.

Other host names including quiltler.com, fb-business-ads-meta-277c9.firebaseapp.com, bussines-page-appeal-3d700.firebaseapp.com, ee-repayment-update.web.app and kobba.fr share IP numbers with valid-a-mfc.firebaseapp.com.

valid-a-mfc.firebaseapp.com - robtex.com