firstgrade.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records1 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
23.227.38.36	600s	myshopify.com	AS13335	Cloudflare, Inc.	23.227.38.0/23	🇨🇦 Canada	Ottawa

📧 MX Records8 records 30ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	43200s	aspmx.l.google.com	209.85.233.26 2a00:1450:4010:c03::1a 2a00:1450:4010:c03::1a	lr-in-f26.1e100.net lr-in-f26.1e100.net lr-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
1	600s	smtp.google.com	108.177.14.26 108.177.14.27 172.253.152.26 173.194.73.26 173.194.73.27 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1a 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0d::1b 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1b 2a00:1450:4010:c0f::1b	lt-in-f26.1e100.net lt-in-f27.1e100.net yulpptr-in-f26.1e100.net lq-in-f26.1e100.net lq-in-f27.1e100.net lq-in-x1a.1e100.net lq-in-f26.1e100.net lq-in-x1b.1e100.net lq-in-f27.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net lt-in-f27.1e100.net lt-in-x1b.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	43200s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1b	lcdels-in-f26.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	43200s	alt2.aspmx.l.google.com	172.253.158.27 2404:6800:4003:c26::1b	so-in-f27.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt3.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1b	tp-in-f26.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	43200s	alt4.aspmx.l.google.com	192.178.230.27 2404:6800:400b:c01b::1b	yunrtab-in-f27.1e100.net yunrtab-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
11	600s	mx1.postal.yuu.dk	—	—	—
11	600s	mx2.postal.yuu.dk	—	—	—

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records7 records 139ms

TXT Record
atlassian-domain-verification=DYTmazkcp8i/1rCu4Ya/G2s3I3XbWxhFCUlcV2x7JQKTKawlVbCySLZ0OFIyWorG
facebook-domain-verification=gbq91kuz131euvi2y7a483c8799ylg
klaviyo-site-verification=U9uJFt
klaviyo-site-verification=WAJjNZ
shopify-verification-code=gDX9tGNZSOINQD8OXsISQjNTh4geK3
unione-validate-hash=7975ed2b4200068467c984a9de4bb83f
v=spf1 a mx include:spf.mailjet.com include:send.heysender.com include:mxsspf.sendpulse.com include:_spf.google.com include:shops.shopify.com ~all

✉️ SPF

Policy	Record (firstgrade.dk)
~all (soft fail)	v=spf1 a mx include:spf.mailjet.com include:send.heysender.com include:mxsspf.sendpulse.com include:_spf.google.com include:shops.shopify.com ~all

📨 DMARC

Policy	Record (_dmarc.firstgrade.dk)
p=none (monitor only)	v=DMARC1; p=none;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔗 TLSA / DANE

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

🔐 DNSSEC56ms

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

🏷️ SOA0ms

Field	Value
Serial	2026072702
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

29ms

A

31ms

MX

30ms

AAAA

32ms

TXT

139ms

CAA

31ms

HTTPS

31ms

TLSA

102ms

SOA

0ms

MTA-STS

43ms

DNSSEC

56ms

SRV

34ms

Total

1544ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-07-27 21:49:25	1544ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-26 07:24:25	1879ms	2 NS 1 A 8 MX	🔒 Secure	View
2026-06-17 09:37:07	1163ms	2 NS 1 A 8 MX	🔒 Secure	View