gapguard.dk

📜 Historical scan 2026-09-15 17:28:41 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

gapguard.dk is a .dk domain served by 2 nameservers (elinore.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 6 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.61.193 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by gapguard-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
elinore.ns.cloudflare.com	108.162.192.153 172.64.32.153 173.245.58.153 2606:4700:50::adf5:3a99 2803:f800:50::6ca2:c099 2a06:98c1:50::ac40:2099	elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com elinore.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryan.ns.cloudflare.com	108.162.195.229 162.159.44.229 172.64.35.229 2606:4700:58::a29f:2ce5 2803:f800:50::6ca2:c3e5 2a06:98c1:50::ac40:23e5	ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com ryan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.61.193	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.88	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 39ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	gapguard-dk.mail.protection.outlook.com	2a01:111:f403:ca04::7 2a01:111:f403:ca21::8 2a01:111:f403:ca21::e 2a01:111:f403:ca48::c 52.101.103.137 52.101.103.140 52.101.68.27 52.101.68.36	mail-db4pr02cu00307.inbound.protection.outlook.com mail-matpr04cu00100.inbound.protection.outlook.com mail-matpr04cu00306.inbound.protection.outlook.com mail-miypr03cu00104.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-miypr02cu00204.inbound.protection.outlook.com mail-db7pr03cu00503.inbound.protection.outlook.com mail-db5pr02cu00104.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:3dc1	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:d558	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 39ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.61.193,172.67.213.88 ech=AEX+DQBBtQAgACChTL9eRp8xXZAOSgrimfxnkjx2LtWZ1JIfD6mLxBXlRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3dc1,2606:4700:3036::ac43:d558

📝 TXT Records#

2 records 214ms

TXT Record
ms78363636
v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

✉️ SPF#

Policy	Record (gapguard.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com include:_custspf.one.com -all

📨 DMARC#

Policy	Record (_dmarc.gapguard.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:DMARC@Itnu.dk; ruf=mailto:DMARC@Itnu.dk; fo=1

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

10 records 43ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-18 15:03:49

www	104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335) (address records, no CNAME)
www vs bare domain	Same network gapguard.dk: 104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335) www.gapguard.dk: 104.21.61.193 172.67.213.88 2606:4700:3030::6815:3dc1 2606:4700:3036::ac43:d558 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
selector1	selector1-gapguard-dk._domainkey.itnu.w-v1.dkim.mail.microsoft	RSA · ~2048 bit
selector2	selector2-gapguard-dk._domainkey.itnu.w-v1.dkim.mail.microsoft	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

80ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2414706568
Primary NS (MNAME)	elinore.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 00:44:06

Field	Value
Registrar	ONE.COM A/S
Registered	2026-04-06
Expires	2027-04-05 (167d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

39ms

AAAA

34ms

TXT

214ms

CAA

43ms

HTTPS

39ms

TLSA

750ms

SOA

0ms

MTA-STS

63ms

DNSSEC

80ms

SRV

82ms

Total

2107ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-18 15:03:49	2557ms	2 NS 2 A 1 MX	🔒 Secure
2026-10-07 00:25:01	2928ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-25 22:00:54	1529ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 17:28:41 shown	2107ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-15 09:50:07	2631ms	2 NS 2 A 1 MX	🔒 Secure
2026-09-05 15:22:44	2056ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-22 14:17:05	1755ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-20 14:00:36	15385ms	2 NS 2 A 1 MX	🔒 Secure
2026-08-12 10:31:14	17270ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-10 09:26:05	10519ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-23 18:28:06	7600ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 13:57:13	1036ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:33:15	1063ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-17 10:29:32	911ms	2 NS 1 A 1 MX	🔒 Secure